Brain Cancer Vaccine Hope

A vaccine could help to significantly extend the lives of people diagnosed with glioblastoma, the brain cancer that US Senator John McCain is battling. Hear from one of the scientists behind the medical trial.

Also in the programme: a new analysis estimates that Hurricane Maria killed more than 4,600 people in Puerto Rico; Russian investigative journalist and Kremlin critic Arkady Babchenko is shot dead in Kiev; and the Canadian government moves to secure the future of a major oil pipeline project.

(Photo: a scan of a human brain. Credit: Zephyr / Science Photo Library)