Elina El is appealing for information to find the off-duty officer who selflessly entered the cold river to rescue her uncle.

Despite being pulled out of the water the man, who has not been named, died days later in hospital.

An appeal was launched to find the off duty officer (Image: Supplied)

Ms El posted a plea on social media saying: "On December 20 my dear uncle fell in the cold River Wensum in........

© Norwich Evening News