21. And The Black Eyed Peas
- It's time: Hillary Clinton and Donald Trump will face off tonight at 9 p.m. ET in the first of three US presidential debates.
- Inside the final days of the FARC, Colombia's 50-year-old rebel group, which is on the verge of signing a peace treaty with the government.
- Dozens of children were killed after the Syrian government launched a major offensive in Aleppo over the weekend.