Prime Minister David Cameron has tweeted:
I'm appalled by the murder of a Palestinian teenager. The loss of four boys this week is a terrible reminder of the need for lasting peace.
More top news
Birmingham Children's Services are to be taken over by a voluntary trust following years of failings.
Tougher punishments for "barbaric" dog fighting are needed, according to a report which has found dogs are being trained to fight daily.
The Foreign Office should relax travel advice on Tunisia, the country's ambassador has said, after UK tourism to the country plummeted 90%.