Four people were arrested on suspicion of arson after a house fire in Horsham on Sunday.
Firefighters were called to the property in Melksham Close shortly after 8.30pm, where a fire had started around a door.
No-one was injured and no-one was in the house at the time.
A 19-year-old man, two 14-year-old boys and a 16-year-old boy were arrested.
They have all been released on bail until October 28.
Anyone with information is asked to call Sussex Police on 101, quoting serial 1535 of September 2, or Crimestoppers anonymously on 0800 555111.
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