People using Barton Broad in Norfolk are being warned about the discovery of so-called "killer shrimps".
The non-native species Dikerogammarus villosus has been found in a small area of the Broad.
It poses no health risks to humans or pets but can have a devastating effect on the marine life of the Broad.
Sailors are being urged to wash down their boats and sailing equipment to prevent the shrimp from moving to other areas.
The skies above Cambridgeshire were filled with historic planes this afternoon as the annual Flying Legends Air Show got underway.
Three of our region's police forces will now look more closely into the possibility of outsourcing civilian services to the public sector.
Families feeding the ducks and geese in Ely in Cambridgeshire could face fines of up to £2,500.