US investigating massive cyber attack.

US authorities say millions of government workers may have had their personal data breached by hackers. US officials think the attack originated in China.

Operations to recover the Chinese ship that sank in the Yangtze River on Monday are underway. Only 14 people have been rescued alive and there are still hundreds of others still unaccounted for.

The BBC's Katy Watson has been to Chilapa, one of the towns hardest hit by drug-related violence in Mexico, ahead of Sunday's midterm elections.

(Photo: A man types on a computer keyboard. Credit: REUTERS/Kacper Pempel)