A SUICIDE bomber hiding explosives in his turban blew himself up inside a mosque during a memorial service for Afghan president Hamid Karzai’s assassinated half-brother.

A suicide bomber hiding explosives in his turban blew himself up inside a mosque during a memorial service for Afghan president Hamid Karzai's assassinated half brother, officials say.

A suicide bomber has killed four people gathered for a memorial service for the Afghanistan president’s half brother, officials say.