Bangladesh, July 21 -- Plumes of smoke billowed into the skies and locals ran helter-skelter as panic ensued with every passing minute moments after the deadly crash of Bangladesh Air Force training aircraft in northern Dhaka's Milestone School and College.

Videos of the tragic incident are now being widely circulated on social media.

At least 20 people were killed, and 171 others were injured after the Chinese-made F-7 BGI aircraft smashed into the premises of Milestone School and College in northern Dhaka's Uttara neighbourhood at around 1:30 pm (local time), on Monday, July 21.

An eleventh-grader from the Milestone School and College - where the F-7 BGI aircraft crashed - recounted the chilling moment when he saw the Chinese-made je...