A fire at Houston’s largest airport delayed flights on Sunday and forced passengers and employees to temporarily evacuate a terminal, officials said. No injuries were reported.

Houston firefighters were called to Bush Intercontinental Airport after a fire was reported in an employee locker room in Terminal C around 5:30 a.m., according to a statement from United Airlines. The airport is a major hub for the company.

Customers and employees were evacuated from the terminal and United's inbound flights were halted from 5:32 a.m. to 7 a.m.

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A fire at a Texas airport caused a terminal to be evacuated and flights to be delayed.

The airline said 23 of its inbound flights were delayed. Operations have since returned to normal.

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"We’re grateful to the Houston Fire Department and Houston airport staff for their response. We are assisting customers impacted by delays," United said.