India, Dec. 26 -- At least five people were killed and more than 30 others injured after a bomb blast ripped through a crowded mosque in north-eastern Nigeria's Borno state, media reports said on Friday.

Nigeria's military has blamed the attack on the Islamist militant group Boko Haram.

The explosion occurred at a mosque located in the busy Gamboru market area, where worshippers had gathered for evening prayers, according to reports.

Unverified videos circulating on social media showed scenes of devastation following the blast, with injured victims lying amid debris.

Confirming the incident, Theatre Command spokesperson Lt Col Sani Uba said preliminary investigations pointed to a suicide bombing.

"Initial findings indicate the incide...