The death toll after an attack on an Iraqi election campaign tent has risen to 22 with more than 60 wounded, medics told Reuters.
A suicide bomber attacked the gathering in the northeastern city of Baquba.
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Last minute preparations are going on at the Church of St Mary Magdalene where Princess Charlotte will be christened.
Princess Charlotte is being christened on Sunday at Sandringham in Norfolk in only her second public appearance since she was born.
Thunderstorms clear the North, leaving a dry and warm day with sunny spells.