Islamic State group claims Saudi mosque suicide blast.

A suicide bomb attack on a mosque in a Saudi Arabia has left 15 people dead, the interior ministry says. A senior Saudi official said the mosque in Abha, close to the Yemeni border, was used by the security forces. The Islamic State (IS) group says it carried out the attack. The group has already claimed two deadly attacks on shia mosque in may.  IS last year urged its followers in Saudi Arabia to sow sectarian hatred by targeting the minority Shia population. The death toll was initially put at 13, but the interior ministry later said two of the wounded had died.