Thousands of protesters used umbrellas to deflect tear gas canisters as authorities tried unsuccessfully to break up demonstrations in the city's Central business district.
The country's defense minister says Germany currently can't fulfill its long-term NATO commitments because of a widespread grounding of its military planes and helicopters.
President Barack Obama hosts India's Prime Minister Narendra Modi for a White House dinner Monday night. On Tuesday, they will hold a summit aimed at re-invigorating U.S.-Indian relations.
Thousands of protesters in Hong Kong are calling for free elections. Many spent Sunday night camped out on the streets after police fired tear gas and used batons to try to disperse them.
Video footage from earlier in the day showed protesters using umbrellas to try to deflect pepper spray and water cannons as officers attempted to disperse the crowd.
Sheik Abdullah bin Bayyah is considered one of the most influential Muslims in the world. As a respected scholar, he has issued edicts to explain why groups such as the Islamic State have it wrong.