NATO Secretary General Jens Stoltenberg has said that the alliance will not engage in an arms race with Russia but must counter Moscow's "aggressive actions" in Ukraine.
Hungary has reversed its decision to suspend a key EU rule on the processing of asylum claims, announced a day earlier.
A Syrian official confirmed on June 24 that the Islamic State (IS) group has destroyed two mausoleums near the historic central town of Palmyra.
Ayatollah Ali Khamenei, Iran's supreme leader, has hardened his stance in nuclear negotiations with world powers, saying he rejects a long-term freeze on nuclear research and wants to ban international inspectors from accessing military sites.
Austria has summoned neighboring Hungary's ambassador to explain Budapest's refusal to take in asylum seekers sent to it from other European Union states.
The U.S. government will no longer threaten to prosecute families who try to pay ransom to win the release of American hostages held by Islamic State, Al-Qaeda and other groups, officials said on June 23.
Nobel Peace Prize laureate Malala Yousafzai, who survived an assassination attempt by the Taliban, made the rounds on Capitol Hill on June 23 urging support for universal, free education.
A four-day heat wave has killed more than 780 people in Karachi as the government declared a holiday in the southern Pakistani city to encourage people to stay home.
Afghanistan is under attack from "an unprecedented convergence" of Taliban insurgents, more than 7,000 foreign fighters, and other violent groups including the Islamic State, Afghanistan's ambassador to the United Nations said.
Pakistani paramilitary forces June 23 gunned down at least 10 militants in two encounters in suburban areas of the sprawling southern city of Karachi, authorities said.
The foreign ministers of Russia, Ukraine, France and Germany tried on June 23 to revive high-end diplomatic efforts to end the conflict in eastern Ukraine, amid escalating fighting.
The Obama administration June 23 touted Kurdish-led advances against the Islamic State in Syria as a model for efforts in Iraq to retake territory from the militant group.