An Eltham holidaymaker is among the British survivors of the Tunisia beach massacre after she ran for cover from her sun lounger when she heard screaming and gunfire.

Zoe Pearce, 38, was on the beach during the gun attack at a resort in Sousse on Friday, which has left at least 15 Britons dead, reports the Daily Mirror.

Thirty-eight people were killed when student Seifeddine Rezgui opened fire with a Kalashnikov and 39 others were wounded.

Ms Pearce told the Daily Mirror: “We were lying on beds sunbathing when we heard a few shots, which sounded like fireworks.

“As I looked left, I could see some smoke and people running towards me screaming.

“I jumped up and started running to the hotel. There were more shots and they sounded like they were getting louder. There were people everywhere so it was hard to run.

“I found myself pushing people to get to cover as quick as possible.

“A lady collapsed in front of me and I couldn’t help as shots was getting closer and louder.

“I’m very scared and just want to go home.”

Home Secretary Theresa May today said the British death told remains at 15 but the number is expected to rise as more information comes out.

Speaking after chairing a meeting of the Government's emergency cobra committee this morning, Mrs May said a medical liaison team has been dispatched to Tunisia to help those affected.

She also said the Government were sending a team to look at security arrangements in the area, which attracts thousands of western tourists every year.

This Is Local London:

Police officers watch tourists taking photographs of flowers at the scene of the attack in Sousse, Tunisia. (AP Photo/Abdeljalil Bounhar)

The Foreign Office has updated its travel advice to warn that further terrorist attacks in Tunisia are possible and urged people to be vigilant.

Asked about criticism that the Foreign Office has not been doing enough to support the families of those who are still waiting to hear if their loved ones are among the dead, Mrs May said consular staff have been working "around the clock".

"The process is a complex one," she added.

"And it is of course imperative that we get it absolutely right for families, and that can sometimes take time."

Thousands of British tourists have been returning to the UK following the attack by Kalashnikov-wielding Rezgui.

MORE TOP STORIES:

His killing spree targeted western tourists on the beach at the RIU Imperial Marhaba and the RIU Bellevue and only ended when he was shot dead by police.

A bomb was found on his body.

Mrs May said: "We've obviously seen a terrible terrorist attack take place in Tunisia and my thoughts are with the victims and their families at this difficult time."

This Is Local London:

A book and flowers lay at the scene of the attack in Sousse, Tunisia. (AP Photo/Abdeljalil Bounhar)

She said consular staff have been on the ground there since the incident took place and a 24-hour crisis centre is in action in the UK.

The identification process is taking time because people would not have had passports or other documents with them on the beach.

Mrs May said earlier that there was no evidence that the gunman had chosen the Sousse resort because of the high number of Britons that flock there, and reiterated that other westerners were also caught up in the attack.

The incident is the most significant British loss of life in a terrorist attack since the London bombings on July 7 2005.

Many relatives of Britons missing since the Tunisian attack are still desperately waiting for information on their loved ones.