A 68-year-old woman was threatened by a burglar who broke into her home in Risca.
the break-in on Dan y Graig Road happened at around 8.30pm last night, January 22 and prompted a man hunt complete with a helicopter and police dogs.
Gwent Polcie said a man made off with cash and other items and the woman was taken to the Royal Gwent Hospital in Newport as a precaution.
The man hunt saw four people arrested nearby.
A 28-year-old man from Risca was arrested on suspicion of burglary.
Two men, aged 42 from Crosskeys and 26 from Blackwood, and a woman aged 51 from Blackwood were arrested on suspicion of conspiracy to commit burglary,with intent to steal.
They were all remanded in custody.
Anyone with information is asked to call 101 quoting log 409 22/01/15.