An investigation is underway today after a fire was started in the letterbox of a flat in Ipswich.The blaze was started when papers were put through the letterbox of the flat in Riverside Road.

An investigation is underway today after a fire was started in the letterbox of a flat in Ipswich.

The blaze was started when papers were put through the letterbox of the flat in Riverside Road.

Two firecrews from Princes Street fire station were called to the flat at just before 9pm last night.

No one was at home at the time of the incident but the flat was badly smoke logged as a result.

Last night, a Suffolk police spokesman said the fire was being treated as suspicious and inquiries were on going.