The suspect believed to have falsely claimed he was injured in a Metro station toilet.

A man has been caught for allegedly blackmailing people in a Metro station toilet, Shanghai police said on Monday.

Police received a report from a mansurnamedDuon September 5 that he had been injured in a toilet on the platform at the China Art Museum Station on Metro Line 8.

Duclaimed he was standing near the door when a person pushed the door open toward him.

When police arrived at the sceneDudemanded that the person alleged to have injured him pay compensation.

However,, police found thatDuhad filed two similar reports from the same toilet on August 25 and September 2.

Suspecting that he was blackmailing people, they tookhimto a police station for further investigation whereDuis said to have confessed.

Police saidDucould face a criminal charge of blackmail.

The toilet where the blackmailing cases are alleged to have taken place.