Crash closes part of Canterbury highway

Three people are believed to be injured after a crash that has closed part of a Canterbury highway tonight.

Emergency services were alerted to the two-vehicle crash about 5pm, police said in a statement.  

One person is reported to have serious injuries, and two people are reported to have moderate injuries.

State Highway 1 (Waitmate Highway) is closed between McNamaras Rd and Molloys Rd.

Diversions are in place and motorists are asked to avoid the area.

Police are attending.