A Raida Paribahan bus veered out of control, crashed through the boundary wall at the third terminal and hit a motorcycle
The reason behind the deaths could not be known immediately, they said.
The dwellers of the slum adjacent to Railway Colony called police after finding the bodies of Kamrul Islam, 35, and Nurul Absar Lucky, 32, in a room around 8pm on Thursday, Nizam Uddin, OC of Khulshi Police Station told bdnews24.com.
"There were no wounds on the bodies. But there was foam in their mouths," he said.
The bodies were sent to Chittagong Medical College mortuary for post-mortem examination.