Update as of 05.54 a.m. EDT: There was a second shooting incident near Ferguson overnight, as an off-duty officer's car was shot at, injuring him with flying glass. Theree suspects reportedly fired into the officer's car. He was not struck by bullets, and is being treated for light injuries from glass at a local hospital. 

Meanwhile, the Los Angeles times reports on the circumstances in which the officer who was shot earlier in Ferguson sustained his wound. St. Louis County Police Chief Jon Belmar told the paper that the officer confronted two males leaving the Ferguson Community Center about 9 p.m. The officer chased the men and as he approached them, shots were fired at the officer, who raised his arm and was hit in the left arm, Belmar said.

Original story below:

A police officer in Ferguson, Missouri, was shot late Saturday evening, local media reports said. The officer's wounds are not said to be life threatening, according to a police spokesperson. The injured officer's identity was not immediately made public.

The Ferguson police department's Tim Zoll told KDSK news that the officer was shot in the arm. St. Louis Post Dispatch reporter Christine Byers tweeted that the officer was shot at a business in Ferguson. 

The suspect in the shooting is still at large, according to a report from CNN, citing emergency agency sources. KDSK St. Louis reports that a manhunt is underway for the suspect in the shooting. The suspect is described as a black male, 5'11'', with dreadlocks and wearing dark clothing.

KMOV-TV, St. Louis, reported a police staging area was set up around the area of West Florissant and Stein, not far from where Mike Brown was fatally shot by police officer Darren Wilson Aug. 9. The area has been the focal point of ongoing protests and tension between police and the largely African-American community. Reports an officer had been shot quickly had police rushing to the area, according to a wave of social media activity from residents in the area.

Police Captiain Ron Johnson visited the scene of a protest Ferguson, the intersection of Stein and W Florissant streets, which is nearby where teenager Michael Brown was shot by police officer Darren Wilson. According to reports on social media, he told the crowd that "a police officer was shot, no-one else." Alderman Antonio French tweeted that Johnson told protesters to leave the scene, and that would be their only warning. A live stream recorded by people on the scene shows protesters chanting and engaged in heated discussions with officers.

French later added that there was a major police presence, with heavily armed officers at the scene. 



Watch: Live stream from the scene of Ferguson protests tonight

This is a developing story -- check back for further updates.