Zurab Tsereteli, a prominent Georgian and Russian sculptor known for colossal, often controversial, monuments, has died at 91.

A top Russian admiral has complained about increased NATO military activities near the country’s borders, describing them as a threat to regional security.

The New York Stock Exchange reopened the trading floor Tuesday, though with plexiglass shields and far fewer traders. U.S. restaurant traffic is starting to return as states push to get back to normal. About 93,000 U.S. chain restaurant locations reopened between May 10 and May 17. Plans by Delta Air Lines and United Airlines to resume flights to China next month have become entangled in a dispute between the U.S. and Chinese governments. UBS upgraded Southwest Airlines to buy from neutral on better prospects for a recovery in domestic travel.