1 Royal assent: A bill authorizing Britain to start its exit from the European Union received royal assent and became law Thursday, empowering Prime Minister Theresa May to begin divorce proceedings from the bloc. House of Commons Speaker John Bercow announced that the European Union (Notification of Withdrawal) Act has received the assent of Queen Elizabeth II. Britain’s Newcastle University said on Thursday that its scientists received a license by the nation’s fertility regulator to create babies using DNA from three people, the first time such approval has been granted. The new procedures are intended to prevent women from passing on fatal genetic diseases to their children and fix problems linked to mitochondria, the energy-producing structures outside a cell’s nucleus. The IMF incident came as a Greek anarchist group claimed responsibility for a letter bomb sent to the German Finance Ministry the day before. The Syrian Civil Defense, volunteer paramedics known as the White Helmets, said first responders were racing to the scene after the air strike in the Jeeneh area, near the rebel-held province of Idlib. 6 School shooting: A 16-year-old student who had troubled relations with his peers opened fire at a high school in southern France on Thursday, wounding three other students and the principal who tried to intervene, officials said.