Investigators in western India are picking through mangled wreckage for clues about who was responsible for a series of deadly train bomb blasts.
There has been no claim of responsibility. The police chief of India's western state of Maharashtra (P.S. Pasricha) says the bomb attacks bear the hallmarks of the Pakistan-based Kashmiri militant group known as Lashkar-e-Toiba. But he said he cannot categorically say who was responsible until all forensic reports come in.
Lashkar-e-Toiba and another Kashmiri separatist group known as the Hizb-ul-Mujahedeen have denied any involvement and have condemned the attacks.
At least 183 people were killed and more than 625 injured when seven bombs exploded on packed commuter trains during the evening rush hour Tuesday in and near Bombay, also known as Mumbai.
Authorities have increased security in major cities across India. Train service in many parts of Bombay has resumed, but with far fewer passengers. Authorities have found a timing device near one of the rail stations.
Indian Prime Minister Manmohan Singh held an emergency Cabinet meeting in New Delhi to assess the situation. Later today (Wednesday) he is going to address the nation