UN secretary general Ban Ki-moon appealed for a halt to violence in Bahrain and urged the government to quickly resolve the case of a jailed hunger striker.
A spokesman said Mr Ban was concerned about continuing clashes between security forces and protesters.
The secretary-general was also worried about Abdulhadi al-Khawaja, jailed during a crackdown on a Shiite-led uprising against Bahrain's ruling Sunni dynasty.
Obama marks Turkey killings
Barack Obama marked the 97th anniversary of the massacre of Armenians in Turkey by calling it "one of the worst atrocities of the 20th century", but stopped short of calling the killings genocide.
As a presidential candidate, Mr Obama vowed to recognise the genocide once in office. Since his election, however, he has not used the word, in the face of furious resistance from Turkey, a vital Nato ally.
Cruiser probed on tragic boat
Shipping authorities in Bermuda are investigating whether US cruise ship Star Princess staff failed in their duty to help a vessel in distress after passengers spotted an open boat drifting off the coast of Panama.
Two fishermen in the craft died before a third was rescued two weeks later.