British Prime Minister Promises to Tackle Extremism

The British prime minister, Theresa May, has promised to tackle terrorism and extremism in all its forms following the attack near a north London mosque.

Also on the programme: first day of the UK-EU negotiations; and did volcanic eruptions trigger the dawn of the dinosaurs?

(Picture: British Prime Minister Theresa May talks to faith leaders at Finsbury Park Mosque on June 19, 2017 in London, England. Credit: Stefan Rousseau/WPA Pool/Getty Images)