Police in the northern German city of Bremen released two people early on Sunday who had been arrested in connection with a possible threat from Islamist extremists, a spokeswoman said.
At least three people were arrested as a group of about 400 people in Hong Kong clashed with police in the latest sign of ongoing tensions caused by China's influence in the city.
Holding placards declaring "I am not afraid", thousands of Russians marched in Moscow on Sunday in memory of Kremlin critic Boris Nemtsov, whose murder has widened a split in society that some say could threaten Russia's future.
From the moment U.S. prosecutors stand up on Wednesday and begin their case against accused Boston Marathon bomber Dzhokhar Tsarnaev, their minds and those of their defense counterparts will be focused on just one thing: The death penalty.
