A police inspector has revealed why the police helicopter was out in Eastbourne last night.
At 1am today, Inspector Mark Rosser tweeted: "#TeamB have been busy all night dealing with a serious assault in the Faversham Road, Hawkhurst Close area of Eastbourne, if you know or saw anything please call it in.
"The victim & suspect knew each other, not a random act.
"It was also why you might have heard @NPASRedhill"
An eyewitness reported seeing a heavy police presence in the area.
Call police on 101 if you have any information relating to the incident.