Four cyclists have been injured after a crash in Dovedale, Tasman on Saturday afternoon.
Police have confirmed the crash, which occurred on Neudorf Rd which is west of Nelson, saw four cyclists sustain injuries.
Three are in a serious condition while one is in a moderate condition.
St Johns has also confirmed that four ambulances attended the incident and transported four patients to Nelson Hospital.
It's unknown how the crash occurred, but no vehicle was involved, police say. The cyclists had been together in a pack.