Criminals stabbed a local Juba League leader in Kulaura municipality area on Sunday night.
Critically injured Moinul Islam Sabuj, 35, general secretary of Kulaura upazila unit Juba League, is now undergoing treatment at Sylhet MAG Osmani Medical College Hospital.
Injured Sabuj's elder brother Aminul Islam filed a case with Kulaura Police Station accusing six people, including Kamrul Hasan, 40, joint general secretary of the organization, and several others unnamed.
Officer in Charge of Kulaura Police Station Binoy Bhushan Roy said criminals riding on two motorcycles waylaid Sabuj while he was going to Uchlapara area on a rickshaw.
The gang stabbed Sabuj indiscriminately with sharp weapons and fled the scene hurriedly, leaving him critical injured.