Jihadist Mokhtar Belmokhtar, who Chad officials claim has been killed by their armed forces, allegedly planned the hostage taking of hundreds of foreign workers at a BP co-owned gas facility in Algeria earlier this year.
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The major party leaders' campaigns for the General Election will remain suspended on Wednesday following the Manchester terror attack.
Thousands of people have donated to help the families of the victims - as well as a homeless man who came to their aid.
Some children, particularly those who have been more directly affected, may show symptoms of stress and trauma.