BBC World News

1. Russia's Putin vows retaliation after accusing Ukraine of hitting student dormitory

   Ukraine said it hit Russia's elite Rubicon drone military unit in a Moscow-occupied part of eastern Ukraine.

2. Rubio tries to reassure Nato allies over US troop deployments

   President Donald Trump says he wants to send more troops to Poland, a week after his officials cancelled a similar deployment.

3. Ebola risk raised to 'very high' in DR Congo

   The head of the UN health agency says the risk in the wider region is "high", but it remains "low" at the global level.

4. Gaza flotilla activists allege abuse by Israeli forces while detained

   The detainees say they were slapped, hit, humiliated and even subjected to sexual violence, but Israel's prison service says the allegations are false.

5. Bodies of Italian divers did not have optimal equipment, says rescuer

   Images from a cave where the four Italians were found reveal the difficulty that rescuers had in recovering their bodies.