A man using a public convenience rang police to say he needed toilet paper, Modern Gold Daily reported on Friday.
Police in the Yinzhou district of Ningbo, Zhejiang province, received the call at 8:23 am on Oct 29 and an officer was sent to investigate.
But about 8:45 am the man called the station again and said he had waited too long for the police and was leaving.
Police searched the toilets in the area but failed to find him.