Royal Mail workers in Cornwall have been forced to “run for their lives” following a series of attacks from “dive-bombing” angry seagulls. Residents in Liskeard, Cornwall, have received a letter from the postal service warning them of the aggressive birds that have been “sweeping” towards workers from rooftops in the area, preventing people from receiving their mail. Homeowners have been told to either wait for the deliveries to arrive when the birds have calmed down or give the Royal Mail a different address to which they can send post. The postal service has apologised to those impacted by t…