A Muslim imam accused of teaching "extreme Islam" has been barred for a second time from his Auckland mosque sparking a row between worshippers.

Security guards were called at the end of 12.30pm prayers at the Avondale Islamic Centre yesterday to remove supporters of Sheikh Abu Abdullah, a Salafist imam, from the prayer room where they were seeking support for a "mosque takeover".

Police vehicles were also stationed within the car park at the Blockhouse Bay Rd mosque, and outside, as prayers were conducted in the centre's main prayer room.

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