A 31-year-old man has been shot and injured by police.
Humberside Police said the incident happened after armed officers were sent to the Holderness Road area of Hull on Tuesday morning "following reports of concerns for the safety of the public in relation to a man" near a post office.
A force spokesman said: "The man, who cannot be named, is now receiving medical attention.
"An investigation is under way and the incident has been referred to the Independent Police Complaints Commission, which is standard practice in such incidents.
"We are not looking for anyone else in connection with the incident at this time."