Prime Minister David Cameron met with British soldiers at Camp Bastion during an unannounced trip to Afghanistan to coincide with Armed Forces Day.
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The 53-year-old was killed shortly after leaving her home in Mosta, Prime Minister Joseph Muscat said.
Jordi Sanchez of the Catalan National Assembly and Jordi Cuixart of the Omnium Cultural group were jailed on Monday.
Storm Ophelia continues to bring strong winds to western parts.