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Any idea what offence he was arrested for ?
Some form of assault ? - as the Police Offcier was technically injured ( suffering pain & discomfort ),
or maybe a Road Traffic Act offence - there is one that is akin to the ANO offence of Endangering an aircraft, which is :
"Intentionally causing anything to be on or over a road so as to cause danger to road users" ( Section 22A(1)(a) Road Traffic Act 1988 as ammended by the RTA 1991 - I thinK ! )