MEERUT, March 28 -- A 36-year-old man allegedly killed his four children by slitting their throats before hanging himself in another room of his house in a village under Roza police station in Shahjahanpur. The deceased children included his three daughters, aged 12, nine and seven, respectively, and a five-year-old son, said police on Thursday.On Wednesday, his wife had travelled to her maternal home in Kartoli village.When the man's father, who lived next door, called out to his grandson for tea on Thursday morning, he received no response despite repeated calls. Subsequently, he decided to check and saw his son hanging from a noose made from a saree tied to a ceiling hook and all four children with their throats slit....