Oct 16 (Reuters) - Following are security developments in Afghanistan at 1300 GMT on Thursday:

* denotes new or updated item

* PAKTIKA - An Afghan policeman shot dead a U.S. soldier in Bermel district of eastern Paktika province on Thursday, some 200 km (125 miles) south of Kabul, a provincial official and the U.S. military said.

The policeman opened fire and threw a grenade at a foot patrol from a watchtower, the troops returned fire killing the policeman, the U.S. military said in a statement.

* HELMAND - Insurgents fired rockets at a residential area in Lashkar Gah in Helmand province, some 550 km (340 miles) southwest of Kabul, killing one civilian and wounding five more, the provincial governor's spokesman, Dawood Ahmadi said.

* EASTERN AFGHANISTAN - A U.S.-led coalition soldier was killed and several wounded by suspected friendly mortar fire in eastern Afghanistan, the U.S. military said.

The troops were responding to several small arms attacks when they called for mortar fire to kill the insurgents, it said. HELMAND - A British soldier serving with the NATO-led International Security Assistance Force (ISAF) was killed during routine patrol in Helmand province on Wednesday, the British Defence Ministry said.

KHOST - A suicide bomber blew himself up at the gate of the administrative centre in the Ali Sher district of Khost, some 150 km (95) miles east of Kabul, a local official said. One Afghan soldier and a civilian were wounded in the attack.

KUNAR - A foreign forces air strike killed five Taliban insurgents in the Khas Kunar district of Kunar province, some 150 km (90 miles) northeast of Kabul, on Wednesday, provincial police chief Jalal Jalal said.

KANDAHAR - A roadside bomb wounded three Canadian soldiers, one seriously, in the Zhari district of Kandahar province, some 500 km (310 miles) south of Kabul, on Wednesday, a local official said. (Compiled by Hamid Shalizi; Editing by Jeremy Laurence)

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