Barack Obama used his farewell U.N. address Tuesday to castigate strongmen and populists, taking aim at Russia's Vladimir Putin and Donald Trump's rise at home.

Obama told the U.N. General Assembly that democracy was a better path toward prosperity than the "crude populism" that is mushrooming in the United States and around the world.

Indian and Pakistani troops exchanged fire across their disputed border in Kashmir on Tuesday, two days after a deadly raid on an army base that New Delhi blamed on Pakistan-based militants.

Iranian President Hassan Rouhani arrived in Cuba Monday where he met with his counterpart, Raul Castro, and the Cuban president's older brother and predecessor, Fidel Castro.

Rouhani had said ahead of the one-day visit that he wanted to stop in Cuba, a "friendly and revolutionary country," on his way to the United Nations General Assembly in New York.

French police on Tuesday arrested eight associates of the jihadist who killed 86 people when he plowed his truck into a Bastille Day crowd in Nice, an investigation source said.

Donald Trump's eldest son triggered an online storm with a tweet comparing Syrian refugees to a bowl containing an assortment of tainted and untainted candies.

"This image says it all," Donald Trump Jr, 38, wrote Monday, in a tweet showing a picture of a white bowl filled with the popular, rainbow-colored Skittles candies.

The suspect held on suspicion of carrying out weekend bomb attacks in New York and New Jersey is in critical but stable condition in a hospital, police said Tuesday.

More than 300,000 migrants have crossed the Mediterranean to Europe so far this year -- far fewer than the 520,000 who arrived during the first nine months of 2015, the UN said Tuesday.

A powerful typhoon slammed into Japan on Tuesday, injuring at least eight people and dumping torrential rains that caused serious flooding and left some communities waterlogged.

The headquarters of three DR Congo opposition parties were torched overnight and early Tuesday, a day after deadly clashes between police and opponents of President Joseph Kabila, Agence France Presse journalists said.

At least two burnt bodies could be seen in the fire-ravaged offices of the main opposition Union for Democracy and Social Progress (UDPS), while two other people were burnt alive and one person injured, they said.

North Korea has successfully tested a new, high-powered rocket engine, state media said Tuesday, a move Seoul said was designed to showcase its progress towards being able to target the US east coast.

The ground test comes less than two weeks after Pyongyang detonated what it said was a miniaturized atomic bomb.