Lahore: Pakistani investigators interrogated six people yesterday in connection with a suicide bomb attack on a navy college, the latest violence to hit the country, where a new government is preparing to take power.

More than 80 people have been killed in four suicide attacks in as many days in nuclear-armed Pakistan, on the front line of the US-led campaign against Al Qaida and the Taliban.

Two suicide bombers riding a motor bike attacked a navy college in the eastern city of Lahore on Tuesday, killing three people and wounding 14, the military said. Initially, officials said there was one bomber. Police said six people were being questioned as investigators focused on the bike.