Emergency services are currently attending a two-car collision in Picton.
A police spokesman said they had received a report of a two-car crash at Nelson Square, near Wairau Rd, at around 10.50am.
The initial report is that two cars are involved, and one person is trapped, the spokesman said.
A Fire and Emergency Services spokesman said it had freed one person who was trapped under a vehicle and passed them on to St John.
A St John spokesman said it had transported an 80-year-old male to Wairau Hospital in Blenheim in a moderate condition.