It is believed to be the first evidence that police came under fire during the riots and has heightened concerns that some of the seemingly random violence and looting was conducted by organised criminal gangs.The CCTV images show a group of between 30 and 40 young men breaking into the Barton Arms pub in the Newtown area of Birmingham on the night of Tuesday 9 August.The group, all masked and wearing black clothing, caused extensive damage to the pub and the surrounding area, which has been plagued by shootings in recent years.As officers arrived at the scene shortly before midnight, petrol bombs were thrown at a marked police car. It is believed as many as 11 shots were fired at the officers and a helicopter.Eyewitnesses reported seeing a series of flashes and hearing the sound of gunshots...