From left to right: Issa Aiash, 30, father of three, his young brother Ahmed, 17, and Sheihk Mamoud, 42, father of a newborn son. They laugh and joke as they clean their post on a backstreet of Aleppo, Syria's largest city, on a Saturday afternoon. (Tracey Shelton - GlobalPost).

A call comes through that a tank was spotted nearby. The men grab their weapons. (Tracey Shelton - GlobalPost)

Within seconds, the tank blast strikes. (Tracey Shelton - GlobalPost)

Smoke and debris then fill the street — covering me and the camera in dust. (Tracey Shelton - GlobalPost)

This man escaped the blast. (Tracey Shelton - GlobalPost)

He escaped with injuries. (Tracey Shelton - GlobalPost)

It took several minutes before the dust cleared enough to check for more survivors. There were none. (Tracey Shelton - GlobalPost)