Dhaka, Sept. 7 -- Local administration in Hathazari upazila of Chattogram district has slapped Section 144 after tensions escalated between two groups over a Facebook post related to Eid-e-Miladunnabi. At least 20 people were injured and several vehicles vandalised in the upazila on Saturday after the post triggered clashes.

Police said a youth named Arian Ibrahim sparked outrage after posting on Facebook a photo showing him making obscene gestures during a religious procession held to mark Eid-e-Miladunnabi.

The procession had passed in front of Al-Jamiatul Islamia Darul Uloom Muinul Islam Madrasa, one of the country's largest Qawmi madrasas.

Local sources said the photo quickly went viral, angering madrasa students and followers in H...