A road in Hastings town centre has been cordoned off by police.
According to a Hastings Observer reporter at the scene at 6pm, Braybrooke Terrace in Hastings, near the railway station, was cordoned off by police due to an unknown incident.
He saw a helicopter circling overhead, and groups of people gathered at the road closure.
The Observer approached Sussex Police for more information.
A spokesman for Sussex Police said they 'could not confirm anything at this time', but added that members of the public were not at risk.