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FERGUSON (KTVI) -- There has been another police shooting in Ferguson overnight.

Around 1 a.m., four men in ski masks armed with shotguns approached a crowd at Sheffingdell Ct. and Chambers Rd.

Police arrived to hear shots fired, and see people running. One officer chased a suspected shooter.

Officers say the gunman pointed his handgun at the officer. The officer shot the man.

The suspect was taken to the hospital in critical condition. Police recovered the suspect's handgun. The officer was not injured.

In a separate shooting at around 12:20 a.m., a woman was shot in the head in a drive-by shooting on Highmont Dr. in Ferguson. She's expected to survive.

Police are looking for four to five men who were in a white sedan.

FOX 2 was emailed what is believed to be an alert from the FBI. It says a new Black Panther Party member is advocating violence against law enforcement in response to the shooting of Michael Brown.

The email indicates the National Chief of Staff for the new Black Panther Party indicated he was in Ferguson apparently on his social media page.

St. Louis County police are investigating.