CHICAGO (CBS) — Two police officers and a Chicago Transit Authority employee were injured overnight in a crash in the East Garfield Park neighborhood.

The crash happened about 1 a.m. Thursday in the 3200 block of West Warren Boulevard, police News Officer Amina Greer said.

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The squad car had its emergency lights and siren activated and was heading to assist another unit when it collided with a CTA vehicle, Greer said. It was not specified what kind of CTA vehicle was involved.

Two police officers and a CTA employee were all transported to Mount Sinai Hospital in good condition, Fire Media Affairs Chief Joe Roccasalva said.

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They suffered minor injuries and were taken to be checked out for precautionary reasons, Greer said.

It was not known if anyone would be ticketed in the crash.

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The Sun-Times Media Wire contributed to this report.