Japan will join forces with the United States and Europe to take on any market abuses by the four Big Tech companies, the new head of its antitrust watchdog said on Monday, a sign Tokyo will join global efforts to regulate digital platform operators.

Japan and China are expected to agree as early as this month on resuming travel by both short- and long-term businesspeople between the two countries, Japanese government sources said Tuesday.

Until late last month, the conflict between Armenia and Azerbaijan over the disputed territory of Nagorno-Karabakh had been mostly frozen, with occasional skirmishes, for over a quarter of a century. One notable exception was the April 2016 “four-day war,” a brief but intense period of fighting that left over 200 …