Supermarket staff were assaulted and tied up as armed men robbed a store this morning.
Police are appealing for information following the robbery at Sainsbury's in Bansons Lane, Ongar.
Shortly after 2.20am this morning a number of men, one armed with a shotgun, entered the store, assaulted one female member of staff and threatened others.
The staff were tied up and locked in a room while the thieves took alcohol and cigarettes.
A woman who suffered a facial injury was taken to Princess Alexandra Hospital, Harlow, but allowed home after treatment.
Police searched the area using a police helicopter and ground units, but found no trace of the men.
The supermarket was closed this morning while forensic investigations continue.
Any witnesses, or anyone who saw any suspicious activity in Ongar, at the time of the robbery, should contact detectives at Loughton on 101 or call Crimestoppers anonymously on 0800 555111.
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