A Chinese student had to be rescued by firefighters after he got his arm stuck down a toilet trying to retrieve his mobile phone.The student had dropped his phone while playing with it on the loo - and decided on desperate action to try to get it back.He wrapped his arm in newspaper in the hope of keeping clean, but the paper expanded in water trapping his arm in the u-tube.The young man, who is a student at Chongqing Technology and Business University, had to shout to his dorm mates for help.But they too were unable to pull his arm out so they called firefighters who worked with specialist equipment for more than an hour to free him.The embarrassed student, who did not wish to give his name, later admitted: "I dropped the phone down the toilet by accident."Thinking of the filth, I found some newspaper to wrap around my arm but it bulged when soaked with water and I was trapped."Source: orange news