Detective Branch (DB) of police on Monday detained ex-parliament member and former vice president (VP) of Dhaka University Central Students' Union (DUCSU) Sultan Muhammad Mansur Ahmed at the Hazrat Shahjalal International Airport (HSIA) in the capital.
The former lawmaker was apprehended from the immigration of the airport early Monday morning as he returned home from Canada, said DB chief Rezaul Karim Mallik.
He has been detained for interrogation over probing some allegations against him, he said.
All the allegations against him would also be verified, he added.
Sources said Sultan Mansur came to Bangladesh today, Monday after travelling in the United Kingdom (UK), United States of America (USA) and Canada.