The NRL Integrity Unit is investigating an incident involving Manly centre Dylan Walker after he was charged by NSW Police over an alleged assault on Sydney’s Northern Beaches.

Manly have issued a statement after advising the NRL of the alleged incident on Sunday night at restaurant in Narraweena.

The Sea Eagles, in the statement, said they had been made aware of "an alleged incident involving Dylan Walker in Narraweena early Sunday evening. The club has reported the incident to the NRL Integrity Unit and will provide ongoing assistance with their investigation".

An NRL spokesman said the Integrity Unit would be liaising with both police and the club about the matter.

A statement on the NSW Police website said officers from Northern Beaches Police Area Command were called to a restaurant on May Road, Narraweena, shortly before 9pm on Sunday after reports of a physical altercation.

Walker was charged with two counts of common assault and granted conditional bail to appear before Manly Local Court on Wednesday, November 18.