Witnesses spoke of their horror and disbelief after Norwich woman Jennifer Mills-Westley was stabbed and decapitated in a supermarket in Tenerife.

The suspect was alleged to have carried Ms Mills-Westley's head outside and was reportedly saying 'God is on earth''.

Colin Kirby, who was in the supermarket at the time, said: 'There were people shouting.

'There was a Hispanic-looking guy walking behind me, looking very scruffy, muttering to himself, carrying what I thought was a joke head by the hair.

'The blood - it just made me think Clash Of The Titans.'

He added: 'The security guards came out, they chased him across the road. By this time he's empty-handed.

'They got him on the other side of the road, just by the cultural centre. A couple of people tried to get him, they flattened him, got him on the ground.''

Christina Perez, a legal representative at a nearby court, said a group of lawyers saw the man sprinting out of the Chinese store, carrying the head.

'They saw the man running out of the supermarket with the head in his hands,' she said.

'A security man from the complex ran after him and jumped on to him so he fell, and then he threw the head on to the road.'

Ms Perez, 38, said her frightened colleagues darted indoors for safety.

'They were shocked. Some of them ran to the office and locked themselves in,'' she said.

According to regional newspaper La Opinion, the suspect had received treatment at the psychiatric unit of a local hospital in February after being involved in previous violent incidents.