A small fire in the basement of a high-rise in the Energy Corridor District prompted evacuations Wednesday morning.

According to the Houston Fire Department, contract workers were welding in the basement of the British Petroleum building on Westlake Park Boulevard when the fire started around 2:15.

Firefighters said a few embers hit the plastic on a hot water tank, melting it and causing the basement to fill with smoke.

The workers evacuated the area while firefighters contained the fire and cleared out the smoke.

No one was injured, and the building reopened a few hours later.