Dhaka, Dec. 14 -- Police have identified a suspected gunman in the shooting of Sharif Osman bin Hadi, a potential independent candidate for the 13th parliamentary election and spokesperson of Inquilab Mancha, an attack that has heightened concerns over political violence following the announcement of the election schedule.

The suspect has been named as Faisal Karim Masud, also known as Daud Khan, according to police officials and multiple sources familiar with the investigation.

Faisal Karim, whose full name is Faisal Karim Daud Khan, was previously involved with Bangladesh Chhatra League, the now-banned student wing affiliated with the Awami League.

He was listed as a member of the organisation's central committee announced on May 11,...