MOUNT PLEASANT (KDKA) — Things are back to normal today at a Westmoreland County hospital after worries over a possible explosion overnight.

According to our news partners at the Pittsburgh Post-Gazette, Hazmat crews were called to Excela Frick Hospital in Mount Pleasant around midnight after an explosive sound was heard.

The Post-Gazette reports that authorities investigated and said the sound came from outside of the hospital from an oxygen tank with a malfunctioning valve.

Hospital officials reported to the Post-Gazette that there were no evacuations during the incident, but any emergency calls headed to the facility were diverted for about an hour while crews investigated.

Everything was back up and running again by 2 a.m., the Post-Gazette reports.

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