Two militants on motorcycle blow themselves up at Indonesian police HQ: authorities

Two militants on a motorcycle blew themselves up at a police headquarters in Indonesia's second biggest city Surabaya today claiming at least one police casualty, authorities said, just a day after a wave of suicide bombings on churches killed at least 14 and injured dozens.

Citing CCTV footage from the scene, East Java Police spokesman Frans Barung Mangera said a man and a woman on the bike stopped at the security checkpoint.

"That's where the explosion happened," he added.

"Two people were riding (on the motorcycle) and a woman was sitting at the back.