Mumbai: At least seven people were killed and six others injured after a portion of a hillock collapsed on some homes beneath at Gausiya Chawl off Chiragnagar in Ghatkopar where they were sleeping, early on Wednesday following torrential downpour, officials said. Among the victims are three minor children aged 2-14 and one victim has yet to be identified as rescue operations are on in full swing to save a few more persons still feared buried under the debris. Locals eyewitnes