Police conduct search of Mongols MC South Island headquarters, part of State Highway 1 closed

State Highway 1 is closed from Burnham Rd to Dunns Crossing Rd while a search warrant is executed. Photo / George Heard

Police have carried out a pre-planned search warrant at the Mongols MC's South Island headquarters this morning.

State Highway 1 was closed from Burnham Rd to Dunns Crossing Rd while it was executed.

The road was re-opened at about 10.30am.

It appeared the search was being conducted at the headquarters, on Main Rd South in Burnham.

State Highway 1 is closed from Burnham Rd to Dunns Crossing Rd while a search warrant is executed. Photo / George Heard

A police spokesperson said they could not give any further information on the search.