FACTBOX-Security developments in Afghanistan – Following are security developments in Afghanistan reported until 1200 GMT on Thursday:

LOGAR – Five Afghan soldiers were killed on Wednesday when a roadside bomb hit their vehicle, which was part of a convoy in Logar province to the south of Kabul, police said.

BADGHIS – Taliban insurgents ambushed a convoy of Afghan soldiers but 25 of the attackers were killed in a subsequent clash in the northwestern province of Badghis on Wednesday, an official said, adding there were no casualties among the soldiers.

SPIN BOLDAK – A roadside bomb struck a NATO force convoy, destroying a vehicle, but caused no casualties near Spin Boldak town on the border with Pakistan on Thursday, an official said.

No Taliban could be immediately reached for comment.

(Compiled by Sayed Salahuddin; Editing by Robert Birsel)