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DENVER — The Denver Police Department said Wednesday that Christopher Booker was arrested in connection with the collision with an officer during the East High School walkout after the Ferguson decision in December.

Booker hit officer John Adsit with his car at East Colfax Avenue and High Street while Adsit was on patrol on his bicycle.

Adsit was conducting traffic control and safe escort for the students.

Investigators said Booker lost control of his car and accelerated, striking the bike officers and causing serious injuries to several of them.

Adsit was the most critically hurt, spending 11 weeks in the hospital. He still has a long road of rehabilitation and recovery ahead.

Booker was being held for investigation for first-degree assault, vehicular assault, attempt to influence a public servant and forgery, all felonies.

During a news conference Wednesday, Denver police tweeted statements made during that event.

MORE: Coverage of the East High Ferguson walkout

MORE: Adsit’s injuries and recovery.