Pro-democracy activist Joshua Wong urges Germany to stop military assistance to China.
Police seal off and trap hundreds of students and protesters inside Hong Kong Polytechnic University amid fears of a crackdown. After a police officer is injured, security forces threaten to fire live bullets if protesters do not give up lethal weapons.
China vows to "bring to justice" those responsible for executing one of its citizens after the Islamic State of Iraq and the Levant said it had killed a Chinese hostage. China's Foreign Ministry also confirms the hostage's identity for the first time, naming him as Fan Jinghui.
The People's Liberation Army of China holds three days of live-fire drills in the Taiwan Strait, while Taiwan holds exercises simulating Chinese submarines attacking Kinmen and being repelled by Taiwanese amphibious forces.
Syrian uprising: The United Nations Human Rights Council votes to condemn the massacre carried out by Syrian forces in the town of Houla on May 25, despite Russia, China and Cuba voting against the resolution.