Lin Senhao stands trial at Shanghai No 2 Intermediate People's Court in this Feb 18, 2014 file photo. [Photo/Xinhua]

A local court in Shanghai has upheld the death sentence to Lin Senhao in connection to the deadly poisoning case at Fudan University.

Lin stood for his second trial in Shanghai last December.

He dropped a deadly chemical into a water dispenser which led to the death of his roommate Huang Yang.

Lin insisted that his motivation was that he wanted to play a trick during April Fool's Day.

Last February, Lin was charged with intentional homicide and he was sentenced to death after his first trial.