Humane Society International has unveiled footage showing dogs lost during the devastating explosion in Beirut, Lebanon reuniting with their owners.

The agency that promotes the human-animal bond revealed that the video was created with the help of Animals Lebanon, an organization that works to protect animals through legislation, education, campaigns and rescue.

The enormous explosion tore through the city of Beirut on August 4, leaving at least 171 people dead, more than 6,000 injured, with about 110 people still missing.

The blast is believed to have been caused by a fire that ignited a 2,750-ton stockpile of highly volatile ammonium nitrate. The material had been stored at the port since 2013 with few safeguards despite numerous warnings of the danger.