A statement from Sussex Police said: “Emergency services remain outside a house in Harbour Road, Pagham this morning (29 August) as trained police negotiators continue communication with a lone 72-year-old man who is still believed to have a gun.
“Police were called to the property at around 4.10pm on Sunday (28 August) to a report of threatening behaviour.
“A woman known to the man was also in the house, but she left shortly after police arrival and is safe and well.
“The 72-year-old man remains in the property alone.
“A police cordon is still in place and the road remains closed.”
Detective Superintendent Nick Sloan said: “The safety of the local community is our utmost priority.
“Local residents in Harbour Road have been advised to stay inside, but should they wish to or need to leave their properties, we will be able to facilitate this with police support.
“Communication continues with the lone man in the house and we hope to resolve this situation as quickly and safely as possible.”
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