1. Japan Airlines said it was hit by a cyberattack that may affect both domestic and international flights.
2. Russia's southern Krasnodar region declared emergency as oil was still washing up on the coastline 10 days after two ageing tankers ran into trouble.
3. Russian companies have begun using bitcoin and other digital currencies in international payments.
4. Taiwan has blocked Uber Technologies' $950 million purchase of Foodpanda on the island because of competition concerns.
5. Toyota manufactured 869,230 vehicles globally in November, down 6.2% from the same month last year, a larger fall than October's 0.8% dip.