The system carries 4.5 million people everyday.
New Delhi: Seven major explosions rocked Mumbai on Tuesday. The serial blasts occurred at Borivili, Khar, Meera Road, Matunga, Jogeshwari, Bhayander railway stations and a seventh on the Khar-Santacruz subway. Maharashtra DGP P S Pasricha said 70 to 80 people have been killed in the blasts. Maharashtra Chief Minister Vilasrao Deshmukh said he believed that over 300 people have been injured in the serial blasts.