MUMBAI, Jan. 28 -- A one-year-old boy was killed and his 68-year-old grandmother was seriously injured after a school bus hit them while they were crossing a narrow street in Girgaon's Khetwadi area on Tuesday . The boy's five-year-old cousin escaped with minor injuries. The deceased was identified as Abir Vyas. The accident occurred when his grandmother took him along to pick up his cousin sister from her school bus stop. P4...