Bikie gangs in New Zealand have promised to guard mosques in New Zealand on Friday following the Christchurch massacre last Friday.

Various chapters of the Mongrel Mob, as well as the King Cobra and the Black Power, have shown their support.

Mongrel Mob Waikato president Sonny Fatu with Hanad Ibrahim from Jamia Mosque in Hamilton. Credit:Dominico Zapata/Stuff.co.nz

Waikato Mongrel Mob president Sonny Fatu has committed to guarding Jamia Mosque in Hamilton during Friday prayers.

The head of the Waikato Muslim Association, Dr Asad Mohsin, said he hoped gang members would join Muslims inside the mosque for Friday prayers.