Warning signs have been put up on Dovercourt beach near Harwich to warn members of the public about unexploded hand grenades.
A decision on whether a section of the beach will be closed is due to be taken this afternoon.
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Sunday forecast: Heavy rain is expected for a time with gusty winds, then clearing during the afternoon.
March in the Anglia region has been much drier and sunnier than normal although temperatures have been around average.
Breezy and rather cloudy overnight but mainly dry. On Sunday, becoming wet and windy for much of the morning after a dry start.