A St. Louis police sergeant was shot twice in the face tonight in south St. Louis on Hampton Avenue and Pernod.

A police officer has been shot and is conscious and being treated at the hospital. More information to come. — St. Louis, MO Police (@SLMPD) November 21, 2016

The officer is in serious condition.

St. Louis police officer shot in the face https://t.co/R5Ij9RsKNC via @stltoday — Terry Karkos (@Ottermania) November 21, 2016

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It was an ambush.

.@ChiefSLMPD says all officers riding two to a car now following ambush-style shooting. Adding resources to find suspect. #kmov — KMOV (@KMOV) November 21, 2016

The suspect pulled up to the police car and started firing.

Car pulled up next to the sergeant’s car. Suspect pulled a gun and fired two times. Dotson calls it an ambush #kmov https://t.co/zhy8Xr7VUo — KMOV (@KMOV) November 21, 2016

The suspect is still at large.

St. Louis Police Chief and Mayor Francis Slay updated the media on Periscope: