At least four people, including a child and a woman, were killed early on Friday in mud house collapses in two incidents in West Tripura district of Tripura after a downpour, officials said.Parts of Agartala were waterlogged by the heavy rains due to lack of proper drainage.“Due to heavy pre-monsoon rain and subsequent mudslide, the mud house of a tribal family collapsed in Hezamara, killing three of them on the spot,” an official of the state’s disaster control room said. An eight-year-old boy from the family was injured.In the second incident in Hezamara, a 55-year-old tribal man died when his mud house collapsed.Chief Minister Biplab Kumar Deb visited the area and announced compensation of Rs 5 lakh each for the bereaved families and Rs 1 lakh each for construction of their dwellings.He also visited waterlogged areas of Agartala.