She said a number of men witnessed the incident and scuffles broke out between the men and some of the officers.

BBC: G20 officer 'hit me across face'

Five hours into the incident, a SWAT team in an armored vehicle broke out a house window, and the gunman fired upon the vehicle, without injury to the officers, police said.

CNN: STORY HIGHLIGHTS

The incident broke the right-front suspension of Hamilton's car, putting him out of the race, and damaged the rear of Raikkonen's Ferrari sufficiently for him to be forced into retirement, too.

BBC: Kubica wins after Hamilton error