The British terror suspect Samantha Lewthwaite (White Widow) sought by police following the Nairobi shopping mall massacre wrote a poem in praise of Osama bin Laden in which she warned that al Qaeda is “stronger and fiercer” than ever.

Samantha Lewthwaite – known as the “White Widow” – pledged to continue the fight to bring terror to the West and suggested she was prepared to be a martyr for the Islamic cause.

In the 34-line Ode To Osama, which was found by police on a computer in her Kenyan home, Lewthwaite said her love for the mastermind of the September 11 attacks “is like no other”.

She lamented his death in 2011 at the hands of American special forces and called on Muslims to follow his example.

“Us we are left to continue what you started,” she wrote.

“To seek the victory until we are martyred. To instill (sic) terror into kuffar (non-Muslims) …Your life an example of how we should be.

“Oh Muslims listen to our beloved sheik’s words, Let not his struggle and efforts go unheard, Revive what he started and strive to success, Then maybe we can be raised with the best.”

Lewthwaite was married to July 7 bomber Jermaine Lindsay and lived with him in Buckinghamshire before the 2005 attacks. They had two children together.

Last year it emerged she had left Britain for East Africa and had been linked to the al Qaeda terror group al Shabaab.

Despite her sorrow at bin Laden’s death, she warned the West – and US President Barack Obama – that the jihad was not over.

“As for our enemies our words will be less,” she wrote.

“You picked the wrong army to contest. Al Qaeda are stronger and fiercer than ever. Their (sic) was no victory for you Mr Obama The honour is his on martyred Osama!!!!!!!!!!!!!!!!”

As part of an investigation, Media has discovered that Lewthwaite, who is being hunted by Interpol in the aftermath of the Westgate Shopping Mall massacre, lived in a flat in the Kenyan capital overlooking a different shopping centre  for seven months in 2011.

She used her South African alias Natalie Faye Webb while she rented the apartment with her four children.

Media sources who are involved in the hunt for her have said this was one of three addresses she acquired in the capital.

It is the first time she has been specifically placed in the city where last month’s attack, which left at least 67 people dead, took place.

Detectives examining the hard drive of a computer left at her house in Mombasa found several self-portraits of Lewthwaite, including one where she posed with two of her children.

They also discovered evidence which led them to an apartment block in Nairobi overlooking the Junction shopping mall, which British and Kenyan intelligence believe was a potential target for the al Shabaab terror group with which Lewthwaite has been linked.

She lived there with her four children and despite having no apparent income paid 60,000 shillings (nearly £500) a month for the three-bedroom flat.

A man from the apartment block said she used to go shopping at the nearby mall – popular just like Westgate with wealthy expats – for up to four hours at a time.

Police also traced a flash drive back to her which showed the British woman who married a suicide bomber had spent eight years researching chemicals, explosive ingredients and how to make bombs.

One document she downloaded is entitled the Mujahideen explosives handbook.

The examination of her hard drive showed she had also Googled a significant number of dieting and fitness sites, including websites with workout routines to help you lose weight and makeover sites which demonstrated how to have hair like the singer Taylor Swift.

Out of nearly 2,000 files found, a vast number were about health and body image, and she had downloaded documents about getting started in bodybuilding and visited one site about self-defence.

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