New Delhi, June 11 -- Days after a nine-year-old girl was sexually assaulted, killed and her body was stuffed in a suitcase in northeast Delhi's Dayalpur area, the Delhi Police on Tuesday arrested the girl's 28-year-old neighbour in connection with the case. Police said the accused attempted to escape from the custody and also attacked a constable at the time of the arrest. According to the police, the incident happened on Saturday. The minor, a class 5 student of a government school, had left her house in the evening to see a relative but the man, who lives in the neighbourhood, called her to his second-floor flat. He sexually assaulted her and strangled her before putting her body in a suitcase and later fled....