Signs are being put up on a beach in Essex warning about the danger of unexploded hand grenades.
Five of the second world war devices have been washed up at Dovercourt near Harwich.
Recently, a device was found on the shoreline at Marine Parade when an off-duty military explosives expert saw a person throwing a grenade around for a dog to chase.
It's prompted the council to seek expert advice on whether it needs to close the area off.
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After what's been the hottest day in the region for almost 10 years there are warnings tonight about the dangers of swimming in open water.
Today was the hottest day of the year so far but temperatures will be down a little tomorrow with the risk of thunder.
A sizzling day for the Anglia region with temperatures rocketing into the mid 30's.