Today's terrorist attack must be condemned and the perpetrators brought to justice. Although the full details of the tragedy have not yet emerged, our immediate thoughts are with the families and friends of those killed and injured in today's attack.
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The Queen has paid tribute to both her husband and son in her opening speech at this year's Commonwealth summit.
French President Francois Hollande today led a memorial service to the 130 victims of the Paris attacks in the city.
Cameron announces Commonwealth nations intention to set up specialist unit to target extremist "scourge" fuelling international terrorism.