Police have released enhanced CCTV footage of three men they wish to trace following a commercial robbery in Haringey.

A woman had been attacked during the robbery which occurred at a jewellers.

It happened on Monday (April 15) at 12:45pm. A man had walked into a jewellery shop in Green Lanes and claimed he had a piece of jewellery that he wished to have valued.

As the sole female employee started to examine the item, CCTV showed the man put a glove on his hand. Moments later he had attacked the woman.

CCTV also showed that two further men forced entry through the door and started to ransack the shop, stealing trays of jewellery from the various display cabinets.

Fortunately the female employee was able to escape and seek refuge in the rear of the store.

When the men attempted to flee the store, they struggled to open the door. They reverted to using brute force to escape.

After two of the men escaped, the third man could not open the sealed door from the inside.

But a member of the public, not realising there was a robbery in progress, opened the door, allowing the man to run off.

Police responded immediately, but the males had already escaped.

The victim told officers how the robbery had left her shocked, stressed and very scared. She also sustained a considerable amount of pain on her head from being forced to the ground.

As a result of the robbery, a full security review has taken place and protection has been stepped-up.

Detective Inspector Paul Ridley, from North Area CID, said: “I remain convinced that someone will recognise these individuals, all I need is their names. The CCTV is of such good quality that this allows me to straightforwardly eliminate individuals not involved.

“I am also appealing directly to people who know the men responsible, I need you to examine your consciousness and come forward to the investigation team. This was a cowardly attack on a lone woman.

"We have enhanced aspects of the CCTV footage for greater clarity. This includes the written tattoo on the neck and facial image of the suspect wearing the ‘fisherman’ style hat.”

Crimestoppers is also offering a reward of up to £5000 for information they receive that leads to the arrest and conviction of the individuals involved.

Anyone with information that could assist the investigation is urged to contact North Area CID via 101 quoting CAD 3266 of 15 April, or by tweeting @MetCC.