8.50am:

State Highway 1 at Rolleston, between Burnham Road and Dunns Crossing Road, has reopened after a closure due to a police operation this morning.

8.17am:

State Highway 1 at Rolleston, between Burnham Road and Dunns Crossing Road, is closed this morning due to a police operation.

Road users should follow the directions of emergency services at the site. No further details are available, and any queries about the operation should be directed to police.

An update on the status of the highway will be provided when available.