An Afghan youth looks at a U.S. Marine on a joint foot patrol with British soldiers in Musa Qala in Helmand province March 26, 2009.
REUTERS/Omar Sobhani
A British soldier keeps watch while on foot patrol at the poppy field in Musa Qala, Helmand province March 28, 2009.
REUTERS/Omar Sobhani (AFGHANISTAN)
Afghan children watch a British soldier walking past their home while on foot patrol in Musa Qala, Helmand province, March 27, 2009.
REUTERS/Omar Sobhani
British Gurkhas rest after going on foot patrol in Musa Qala, Helmand province, March 27, 2009.
REUTERS/Omar Sobhani
A British Gurkha keeps watch while on foot patrol in Musa Qala, Helmand province March 27, 2009.
REUTERS/Omar Sobhani
US soldiers take cover behind a concrete block during an operation in Baghdad's Fadel district. Iraqi forces clashed with anti-Al-Qaeda militants in Baghdad for a second straight day on Sunday, as US troops backing them ordered fighters to hand over their weapons or face reprisals.
(AFP/Ahmad al-Rubaye)
U.S. troops take position on a major street after a gunfight sparked Saturday at the dominantly Sunni neighborhood of Fadhil in Baghdad, Iraq, Sunday, March 29, 2009. U.S. and Iraqi troops exchanged gunfire Sunday with Sunni militants in central Baghdad in a second day of clashes following the arrest of a local leader of Sunni security volunteers who had broken with al-Qaida.
(AP Photo/Hadi Mizban)
Iraqi soldiers kick open a door during a search operations after a gunfight sparked Saturday at the dominantly Sunni neighborhood of Fadhil in Baghdad, Iraq, Sunday, March 29, 2009. U.S. and Iraqi troops exchanged gunfire Sunday with Sunni militants in central Baghdad in a second day of clashes following the arrest of a local leader of Sunni security volunteers who had broken with al-Qaida.
(AP Photo/Hadi Mizban)
Iraqi soldiers shoot back after unidentified gunmen opened fire during a search operation at the predominantly Sunni neighborhood of Fadhil in Baghdad, Iraq, Sunday, March 29, 2009. U.S. and Iraqi troops exchanged gunfire Sunday with Sunni militants in central Baghdad in a second day of clashes following the arrest of a local leader of Sunni security volunteers who had broken with al-Qaida.
(AP Photo/Hadi Mizban)
Iraqi soldiers take position after they came under fire during search operations after a gunfight sparked Saturday at the dominantly Sunni neighborhood of Fadhil in Baghdad, Iraq, Sunday, March 29, 2009. U.S. and Iraqi troops exchanged gunfire Sunday with Sunni militants in central Baghdad in a second day of clashes following the arrest of a local leader of Sunni security volunteers who had broken with al-Qaida.
(AP Photo/Hadi Mizban)
An Iraqi policeman aims his rifle during a joint operation to search for weapon caches in Baghdad's Ghazaliya district March 29, 2009.
REUTERS/Thaier al-Sudani
Iraqi soldiers stand guard near the district of al-Fadhil in Baghdad March 29, 2009. Iraqi security forces besieged a Baghdad district on Sunday after Sunni neighbourhood patrolmen angry at the arrest of their leader clashed with police and troops in a gunfight that killed three people.
REUTERS/Saad Shalash
An Iraqi national policeman checks weapons seized by Iraqi security forces during recent operations in the Dora area of southern Baghdad, Iraq, Thursday, March 26, 2009.
(/AP Photo/Khalid Mohammed)
Iraqi police and soldiers are seen at a pistol range as U.S. troops conduct training near Karbala, 80 kilometers (50 miles) south of Baghdad, Iraq, Wednesday, March 25, 2009.
(AP Photo/Ahmed al-Husseini)
A Pakistani police aims his assault gun towards angry protesters agitated by police firing tear gas to disperse them during the clashes on the outskirts of Nowshera, near Peshawar, Pakistan on Wednesday, March 25, 2009. Pakistani police fired assault rifles and tear gas to end a protest Wednesday by people displaced by a military operation against Taliban militants. At least one person was shot dead, though police denied responsibility. (AP Photo/Mohammad Sajjad)
Armed policemen patrol in the town of Indanan in Jolo island, southern Philippines. Islamic militants have not released their three Red Cross hostages, despite a Philippines military retreat giving the kidnappers control over a third of a province. Sun Mar 29,2009. (AFP/File/Therence Koh)
Armed government militia are posted along the road in southern Jolo island where government forces are closing in on Islamic militants holding three International Committee of the Red Cross (ICRC) aid workers hostage. The Philippines has agreed to move troops from a southern jungle area in a bid to save the three workers threatened with beheading, an official has said.
(AFP/File/Therence Koh)
A Myanmar soldier stands guard at the 64th anniversary Armed Forces Day held at the parade ground in the country's administrative capital Naypyitaw Friday March 27, 2009.
(AP Photo/Khin Maung Win)
Anti-narcotics officers carry items, confiscated from a camp for Mexican drug traffickers, from a US Army Chinook helicopter in Guatemala City March 27, 2009. Guatemalan soldiers and police discovered the camp at a ranch on the border between the two countries, which was being used to train assassins, the police chief said on Friday.
REUTERS/Daniel LeClair
Anti-narcotics police stand guard over items, confiscated from a camp for Mexican drug traffickers, unloaded from a US Army Chinook helicopter in Guatemala City March 27, 2009. Guatemalan soldiers and police discovered the camp at a ranch on the border between the two countries, which was being used to train assassins, the police chief said on Friday.
REUTERS/Daniel LeClair
A Brazilian policeman stands guard during an anti-narcotics raid in the Rocinha shantytown of Rio de Janeiro March 25, 2009. Acting on information that local drug bandits were planning to invade another nearby slum, over 200 police officers raided Rocinha, one of the largest slums in Latin America with around 200,000 residents, killing three suspected bandits and confiscating a cocaine laboratory along with one tonne of marihuana. REUTERS/Bruno Domingos
Brazilian policemen patrol during an anti-narcotics raid in the Rocinha shantytown of Rio de Janeiro March 25, 2009. Acting on information that local drug bandits were planning to invade another nearby slum, over 200 police officers raided Rocinha, one of the largest slums in Latin America with around 200,000 residents, killing three suspected bandits and confiscating a cocaine laboratory along with one tonne of marihuana.
REUTERS/Bruno
A Brazilian policeman arrests a suspected drug trafficker during an anti-narcotics raid in the Rocinha shantytown of Rio de Janeiro March 25, 2009. Acting on information that local drug bandits were planning to invade another nearby slum, over 200 police officers raided Rocinha, one of the largest slums in Latin America with around 200,000 residents, killing three suspected bandits and confiscating a cocaine laboratory along with one tonne of marihuana. REUTERS/Bruno Domingos
Mexican Army soldiers patrol Ciudad Juarez in northern Mexico. US President Barack Obama has vowed to "do more" if needed to win the fight against Mexico's drug cartels after reinforcing joint efforts to combat the problem along their shared border.
(AFP/File/Alfredo Estrella)
Mexican police display weapons seized from drug cartels in Mexico City. The Obama administration wants to crack down on the sale of assault weapons that are arming Mexican drug cartels, Secretary of State Hillary Clinton said in an interview with NBC television.
(AFP/File/Ronaldo Schemidt)