Chittagong police alert all airports and land ports in the country so that the five suspected killers of Mahmuda Khanam Mitu, wife of Superintendent of Police Babul Akter, cannot leave the country.

Detectives in Chittagong yesterday seized a black microbus and detained its driver in connection with Sunday's killing of Mahmuda Khanam Mitu, wife of Superintendent of Police Babul Akter.