Police are hunting a man with links to Basildon and Chelmsford.
They want to speak to Johnny Bruce in connection with malicious communications and breaching a non-molestation order.
He is described as white, slim, has short dark hair and is 6ft 2ins tall.
If you have seen him, or know his whereabouts, please call Chelmsford police station on 101.
You can also contact the Crimestoppers charity 100% anonymously on 0800 555 111 or use the anonymous online form at Crimestoppers-uk.org