Excerpt:
David Cameron has ordered Whitehall officials to launch an investigation into the Muslim Brotherhood – drawing on assessments by MI5 and MI6.
Speaking at a No 10 news conference, the prime minister said that the government was committed to encouraging people away from the path of extremism.
"We want to challenge the extremist narrative that some Islamist organisations have put out," he told reporters following talks with new Italian prime minister Matteo Renzi.