A piece of concrete was thrown through the window of a house in Lowestoft at the weekend in an attempted burglary.
It happened in the early hours of September 1 at a house in Breckland Way.
According to a police spokesman the occupants were first woken at around 1.30am by a loud bang at the front door, but could not see anything when they investigated.
Later, around 2.35am, they were woken again by another loud bang, the sound of smashing glass and found a piece of concrete had been used to break a glass panel next to the front door,
At 3.40am, a security light came on and the occupants saw a man standing on their front lawn.
The man is described as white, around 5ft 8ins tall, of slim build, wearing a woolly hat and a dark-coloured, three-quarter length coat.
Upon being spotted, the suspect ran off towards Crestview Drive.
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