A 70-year-old man, arrested following a scuffle, was on Thursday found hanging from a ceiling fan in one of the rooms of Koransarai police station under "mysterious circumstances", sparking protest in the locality, a senior officer said.

Talking to reporters, Neeraj Kumar Singh, the district superintendent of police, said station house officer (SHO) Junaid Alam has been suspended and a probe instituted into the case.