Newsweek magazine's Twitter account was the victim of hackers on Tuesday who posted a threat to U.S. President Barack Obama and his family and the words "CyberCaliphate" and "Je suis IS," a reference to Islamic State and the French magazine Charlie Hebdo.
The United States is closing its embassy in Yemen, the Arabian peninsula state that is a front line in Washington's war against al Qaeda, embassy employees and U.S. officials said on Tuesday.
U.S. aid worker Kayla Mueller, held hostage by Islamic State militants for 18 months, is dead, her family said on Tuesday, but the circumstances were unclear and President Barack Obama vowed to hunt down the culprits.
Alibaba Group Holding Ltd must pay more attention to product quality and step up the fight against fake goods sold online, China's product quality watchdog chief told company executive chairman Jack Ma, according to a statement on Tuesday.
