Justin Bieber waved to the cameras from the sunroof of his SUV after being released from jail on $2,500 (£1,500) bail.
Justin Bieber released from jail after arrest, waves to fans from roof of car http://t.co/q4gIPWVs88
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Douglas Carswell told ITV's Peston On Sunday he wanted to "support" the government as a "critical friend" but refused to rule out a return.
Several of victims had life-threatening injuries, police said.
The helicopter, which the royal was not in at the time, avoided a potentially deadly mid-air crash.