However, speaking to ITV News his half brother Safwan says he is still alive, but until now wanted to remain anonymous while supporting Syrian rebel groups. It's thought Ali lost his passport before the ambush and it ended up in the hands of the Syrian government.
Ali Al Manasfi also wanted to speak out about various reports which referred to him as a "terrorist", where he in fact considered himself a freedom fighter.
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Cloud and outbreaks of rain will ease away eastwards during the morning, clearing the east coast around midday with sunny spells developing.
Police and emergency services are attending the scene.
Rebel-held east remains at risk while the pumping station supplying the western part of the city is once again in operation.