Winter storm warnings are in effect for a broad area of the western and midwestern U.S. through Feb. 1. Heavy and blowing snow is forecast in parts of California, Colorado, Montana, Wyoming, New Mexico, Michigan, Illinois, and Indiana. Even after weather conditions improve, residual transport and commercial disruptions are possible.

Leaders of air traffic controller (ATC) unions in Europe are calling on their members to participate in region-wide days of action Jan. 29-30. Individual unions will likely call on members to walk off the job for only a few hours per day, as most are legally obligated to provide minimum …

Authorities are boosting security in Delhi ahead of Republic Day on Jan. 26. India’s largest and most heavily guarded Republic Day event is a large parade from the presidential residence to the Red Fort. Expect very tight security around venues hosting official functions in central Delhi. Terrorism warnings are possible. …