MUMBAI: A 34-year-old graphic designer allegedly killed his 28-year-old girlfriend by drowning her in a bucket of water at her Naigaon home on August 9, police said. His wife helped him stuff the body in a suitcase, travelled with him on a scooter over 150km and dumped it near a creek in Valsad in Gujarat, police said, adding that to avoid suspicion, the couple also took along their two-year-old daughter. Manohar Shukla was arrested from his Evershine home in Vasai early Tuesday. His wife, Poornima, was arrested later....