The Israeli military sets of an explosion at the home of Abu Aysha, one of two Palestinian men suspected of kidnapping three Israeli teenagers who were found dead in Hebron in the West Bank.
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The violence began after a counter-protester allegedly doused a female rally organiser with pepper spray.
As temperatures climb through the day, the warmest spots are likely to be across western parts of Northern Ireland and western Scotland.
The foreign secretary has criticised internet and social media giants for failing to detect and remove extremist material posted online.