A terrorist carrying detailed sketches of targets in last week’s Mumbai massacre was captured earlier this year, it emerged today.

The gunmen who attacked Mumbai set out by boat from Pakistan’s port of Karachi, a top police official said, as the US secretary of state headed today to India in Washington’s efforts to defuse tension between the two nuclear rivals.

Indian police have rounded up about 350 people in connection with the Mumbai train bombings amid suspicion that Kashmiri militants could be linked to the attacks that killed at least 200 people.

Indian investigators believe one of Kashmir’s most notorious Islamic militant groups planted bombs that killed 20 people at a temple and train station in Hinduism’s holiest city, police said today.

A little-known group that police say has ties to Pakistan-based militants fighting in divided Kashmir took credit for three blasts that killed 59 people in New Delhi, but Indian officials appeared hesitant to immediately blame anyone on the Pakistani side of the frontier.

Two Indian soldiers were killed in a suspected Islamic militant attack on a border post in the disputed province of Kashmir last night.

Pakistan said today it had arrested the outspoken former leader of a militant Islamic group accused by India of helping orchestrate an attack on its Parliament that has taken the two countries to the brink of hostilities.