Express News Service LUCKNOW: The father of a minor girl, who was allegedly gangraped by four men in UP’s Kanpur district, was killed after he was hit by an unidentified truck on Wednesday. Expressing doubts about the accident, which came a day after they lodged a complaint about the rape, the girl’s family said the rape accused could be behind it. They pointed out that the father of one of the accused is a police official. The prime accused in the rape case, Golu Yadav, son of a police sub-inspector posted in Kannauj, was arrested earlier and efforts were underway to nab his brother Saurabh and friend Deepu, Kanpur Deputy IG Preetinder Singh said.