More than 100 domestic flights in Japan were grounded on Sunday due to heavy snow in the northern and western parts of the country, Japan's two biggest airlines said.
ANA Holdings had halted 79 flights as of 4:00 pm (0700 GMT), affecting about 5,100 passengers, said Hiroaki Hayakawa, an operations director for the airline.
Japan Airlines Co had cancelled 49 flights as of 4:00 pm (0700 GMT), affecting 2,460 passengers, a representative with the airline's operations division said.
Worldwide, thousands of flights have been cancelled over the Christmas weekend because of the rapid spread of the new Omicron coronavirus variant.
Japan, which tightened border controls to counter the threat from Omicron, has reported only about a dozen cases of community spread of the new variant and 231 total Omicron infections, including overseas arrivals, according to the health ministry.
Hamas freed the last living Israeli hostages from Gaza on Monday under a ceasefire deal and Israel sent home busloads of Palestinian detainees, as US President Donald Trump told Israel's parliament that peace had arrived in the Holy Land.
Two trains collided in eastern Slovakia on Monday, derailing an engine and a carriage and injuring at least 66 people, emergency medical services and police said.
Hamas forces have killed 32 members of "a gang" in Gaza City in a security campaign launched after a ceasefire came into effect on Friday, while six of its personnel were also killed in the violence, a Palestinian security source said on Monday.
Joel Mokyr, Philippe Aghion and Peter Howitt won the 2025 Nobel economics prize for their work on how innovation and the forces of "creative destruction" can drive economic growth, the Royal Swedish Academy of Sciences said on Monday.