Suha Arafat, the widow of the late Palestinian leader said: "When they came with the results, I’m mourning Yasser again. It’s like you just told me he died. I will not stop. Me and my daughter will go to all courts in all over the world to punish who did this crime."
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A report published by the Boundary Commission for England details plans to reduce the number of MPs by scrapping 50 constituencies.
The slump will spark scrutiny, especially as statistics show a rise in racially or religiously motivated offences following the EU vote.
The 53-year-old was killed shortly after leaving her home in Mosta, Prime Minister Joseph Muscat said.