The charity Crimestoppers is offering a reward of up to 5 thousand pounds for information on the whereabouts of a man is wanted in connection with the attempted murder of his former partner in Essex.
Police want to speak to Jon Berry about a serious assault on Mary Connor at her home in Dunmow in July.
She suffered two broken cheekbones and a broken jaw as well as a ruptured spleen during the attack.
Berry is described as white, about 5ft 6 inches tall, slim, with hair that is sometimes tied up. He also has a number of tattoos on his upper arms and chest.
Berry is believed to have links to Gloucestershire, Cambridgeshire, Wales and Ireland.