A man fired a shot from his gun at a two-storey seafood restaurant in Medan Ipoh here last night.

However, there were no reports of any casualties.

Ipoh police chief ACP Sum Chang Keong said in the 10.05pm incident, the suspect wearing a full-faced mask entered the ground floor and fired the shot into the ceiling.

"It was all over in less than a minute, the suspect ran away after firing the shot.

"At the time of the incident, there were only three customers and a worker at the restaurant," he told reporters at the scene.

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According to Sum, police would be studying CCTV recordings from the premises and those of other shops in the vicinity for leads.

"We also recorded statements from the worker and the owner of the neighbouring shop. This is the first such incident involving the sea food restaurant," he added.