Essex Police have advised people in Colchester not to visit isolated places alone, after two fatal knife attacks in the town in three months.
Nahid Almanea, 31, was found on Saturday near the University of Essex campus. She had been stabbed 16 times.
James Attfield, 33, was stabbed 100 times in Castle Park in March.
Police say a man in his fifties is helping them with their inquiries.
More top news
ITV News catches up with a migrant rescued by HMS Bulwark in the Mediterranean in June who has found his way to the UK through Calais.
A low pressure system in the near Atlantic will bring a text book swirl of cloud - with blustery downpours as winds whip up tonight.
The President's announcement on climate change is yet another attempt at securing an elusive climate change legacy.