FACTBOX: Security developments in Afghanistan

(Reuters) - Following are security developments in Afghanistan at 7:30 a.m. EDT (1130 GMT) on Friday:

BALKH - Taliban insurgents killed an election official in an attack on a vehicle carrying boxes of counted ballot papers in northern Balkh province, Afghan army commander General Murad Ali said. The boxes of ballot papers were set on fire, he said.

KABUL - Two U.S. service members from the NATO-led International Security Assistance Force (ISAF) were killed in separate incidents in the east on Thursday, ISAF and the U.S. military said. One was killed by a roadside bomb and the other in a mortar attack.

HELMAND - Two British soldiers were killed by an explosion in southern Helmand province on Thursday, the British Defense Ministry said.

KABUL - A U.S. service member serving with ISAF died from wounds suffered in a roadside bomb attack in eastern Afghanistan, ISAF and the U.S. military said.

GHAZNI - Two Afghan soldiers and four insurgents were killed during a clash in Ghazni province, southwest of Kabul, after militants attacked a polling station overnight, said Ismail Jahangir, the provincial governor's spokesman.

KANDAHAR - Afghan security forces killed six Taliban insurgents after the militants attacked their post in the Shah Wali Kot district of southern Kandahar province, the Interior Ministry said.

LOGAR - Insurgents attacked an election convoy carrying counted ballot papers in Logar province, south of Kabul, on Thursday night, said Zekria Barakzai, deputy chief of the election commission. There were no casualties and no election material had been damaged, he said. (Compiled by Kabul bureau; Editing by Paul Tait)