Two people, including a boy under ten-years-old, have been taken to hospital following two crashes in Langleybury Lane this morning.
The first incident took place at 7.02am at the junction with the A41, and involved three vehicles including a silver VW Golf, a silver Vauxhall Astra and a blue Peugeot 206.
One ambulance took a man in his 40s to Watford General Hospital with non-life threatening injuries.
The junction is blocked and the traffic lights have been damaged. One person was taken to hospital.
Then, at 8.45am a car hit a boy under ten-years-old, who was taken to hospital 20 minutes later with a leg injury.