Wanted British 'White Widow terrorist killed in Ukraine', claims Russian news agency

• Lewthwaite was reported last month as fighting for the Isis terrorists
• She was reportedly gunned down by a Russian sniper two weeks ago
• The claim was made by Regnum news agency in Moscow
• The extraordinary claim that the 30-year-old is dead has yet to be verified 
• Claims come amid huge build up of Russian armour and troops in Ukraine.

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A British woman terrorist suspect dubbed the 'White Widow' has been killed in Ukraine, it was claimed on Wednesday.

Samantha Lewthwaite, 30, was gunned down by a Russian sniper two weeks ago, alleged Regnum news agency in Moscow.

One of Britain's most wanted people, she was reported last month as fighting for the Islamic State's terrorists in Syria.

The extraordinary Russian claim could not be verified last night.

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A British woman terrorist suspect dubbed the 'White Widow' has been killed in Ukraine, it was claimed on Wednesday

Lewthwaite was married to 7/7 suicide bomber Germaine Lindsay, 19, a Jamaican-born Yorkshireman, and allegedly left Britain in 2009 before being linked to atrocities in Africa.

Lewthwaite was married to 7/7 suicide bomber Germaine Lindsay, 19, a Jamaican-born Yorkshireman, and allegedly left Britain in 2009 before being linked to atrocities in Africa

Reports last month claimed Lewthwaite - a former soldier's daughter - joined Islamic State earlier this year and became one of the most powerful women in the network

'Across the last two days we have seen the same thing that OSCE is reporting. We have seen columns of Russian equipment, primarily Russian tanks, Russian artillery, Russian air defence systems and Russian combat troops entering into Ukraine,' said US General Philip Breedlove, supreme allied commander. 

The Organisation for Security and Cooperation in Europe (OSCE) said: 'The level of violence in eastern Ukraine and the risk of further escalation remain high and are rising,' said Michael Bociurkiw of the OSCE's Special Monitoring Mission. 

In response, Ukraine has said that it's preparing for all-out war.

Ukrainian Defence Minister Stepan Poltorak told a cabinet meeting: 'The main task I see is to prepare for combat operations. We are doing this, we are readying our reserves.'

Reports last month claimed Lewthwaite - a former soldier's daughter - joined Islamic State earlier this year and became one of the most powerful women in the network.

Born in Northern Ireland and schooled in Aylesbury, she was not previously linked to Ukraine.

She was responsible for training a special team of female suicide bombers in Syria, it was alleged.

Lewthwaite allegedly trained and mentored British converts who volunteered to fight for the IS.

The 7/7 attack on the London transport network on 7 July 2005 killed 52 people.