French Church Attack: 'Priest Killer' Was Being Monitored

Following the church attack in Saint-Etienne-du-Rouvray, a suburb of Rouen, which resulted in the murder of 84-year-old Father Jacques Hamel, we hear from Socialist MP Christophe Premat about security failings and the need for unity.

Hillary Clinton has made history by becoming the first woman to receive the presidential nomination of a major U.S. political party.

One of the problems facing doctors and patients in cases of chronic illness is how to administer the right amount of drugs at the right time without harming healthy tissues. Now a team of scientists think they've found the answer.