July 22 (Reuters) - Following are security developments in Afghanistan at 0530 GMT on Tuesday.

KABUL - A suicide bomber in Kabul wounded three civilians on Tuesday when police at a checkpoint challenged him, the Interior Ministry said. The Taliban claimed responsibility for the attack.

ZABUL - Taliban guerrillas ambushed a convoy carrying supplies for a foreign security firm and killed four of its local guards on Monday in southern Zabul province, a provincial official said.

PAKTIKA - The spokesman for the governor of southeastern Paktika province was killed in his house by Taliban assailants late on Monday, an official from the area said. A Taliban spokesman confirmed the report.

DAI KUNDI - The former commander of a local armed group claimed responsibility for the abduction of two French aid workers who were seized from their house last week in the central province of Dai Kundi, Radio Liberty said on Tuesday. The reason for the kidnapping was not given. (Compiled by Sayed Salahuddin; Editing by Alex Richardson)

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