At least 30 people were killed in a double bombing targeting the offices of a Kurdish political party in the northern Iraqi town of Tuz Khurmato on Monday, local officials and medical workers said.

Security sources said a car bomb blew up at a checkpoint near the local headquarters of the Patriotic Union of Kurdistan (PUK) party, before a truck packed with explosives was detonated beside a wall.

The attack is the latest in a show of strength by militants who have been regaining ground in Iraq and on Sunday killed 18 people in twin blasts targeting PUK offices in the town of Jalawla. […]