Emergency services are at the scene of a crash north of Christchurch.

They were called to Pineacres Corner, Main North Road at 7.21PM.

Chris Lynch Media understands a four-wheel-drive vehicle with a trailer has rolled.

A police spokesman said they were dealing with a two-vehicle collision.

At least one person has moderate injuries.

A road diversion is in place.

Fire and Emergency crews are at the scene