Co-op supermarket on Cranleigh Road in Southbourne, near Bournemouth was targeted on Saturday evening.
BBC: Dorset
2.
Lifeguard patrols will start at Southbourne, Fishermans Walk, Boscombe and Bournemouth East and West, Durley Chine, Alum Chine, Branksome Chine, Shore Road and Sandbanks in Poole.
BBC: Lifeguards
3.
Officers said they were "keeping an open mind" as to whether the armed robberies in Christchurch and Southbourne were linked to recent raids in the area, including an attempted armed robbery at the Morrison's car park in Verwood on 5 January.