Emergency services were called after a car ended up on its side after it crashed into a tree.
The crash happened just after 8.10am on Siamhall Lane in Newton.
One person became trapped after the car they were travelling in crashed into a tree and ended up in a hedge having also hit a telegraph pole.
An air ambulance were sent to the scene but one man was later taken to West Suffolk Hospital with a broken shoulder by land ambulance.
Suffolk Fire and Rescue sent three crews to the scene including two from Sudbury and one from Long Melford to help rescue the trapped person.
There were also concerns about the car involved which was said to be smoking but the car has since been recovered.
Motorists have reported delays.
Both BT and UK Power Network have also been called out to the site.
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