A welder died on Friday following an explosion at a Brownsville worksite, according to Cameron County Emergency Management Coordinator Tom Hushen.

According to Hushen, the unidentified man was welding the top of a tanker truck when the fumes inside the truck were ignited, causing a shockwave that knocked the man from the top of the truck.

The man was later pronounced dead.

A spokesperson with the Brownsville Police Department said the incident happened Friday shortly after 2 p.m. in the 6500 block of N. Expressway. 

Investigators are reaching out to the Occupational Safety and Health Administration, or OSHA, police added. 

This is a developing story, check back for updates.