Three Mongrel Mob members have been arrested after a violent assault on a man in Christchurch.

Police raided homes in Timaru this morning, arresting the men who belong to the Timaru chapter of the gang.

The trio are accused of attacking the man in Christchurch City two weeks ago.

A 30, 27 and 35-year-olds will appear in the Christchurch District Court tomorrow charged with wounding with intent to cause grievous bodily harm.