Authorities say an 18-year-old student went on a shooting rampage and then killed himself. An explosion also reportedly went off in the school's cafeteria.
A once-secret underground naval base in Crimea designed to preserve Soviet submarines in case of a nuclear attack is now a museum with an anti-American message.
The leaders held a stunning joint news conference after speaking privately for about two hours, just days after a grand jury indicted 12 Russian intelligence agents on election-related charges.
"Maybe something positive will come out of it," the president said. The date for the summit meeting with Russian President Vladimir Putin will be announced on Thursday. It could come in July.
The Russian leader jumped behind the wheel of an orange dump truck, leading the charge across the 12-mile bridge connecting the two regions for the first time in history.
The leaders of France, Germany and the U.S. say, "We share the U.K. assessment that there is no plausible alternative explanation" other than Russia being behind the attack.
Crimeans who criticize Russia's annexation of their peninsula have a difficult road ahead, and say dozens have been jailed or have had to flee to other parts of Ukraine.
As the U.S. issues more sanctions over the Ukraine conflict and Russia's annexation of Crimea, Crimean leader Sergei Aksyonov speaks with NPR in Simferopol and lays out his vision for the region.
When Russia annexed Crimea from Ukraine in 2014, many of the region's most precious artifacts were on loan to a Dutch museum. A court has now ruled that the objects must go to Ukraine, not Crimea.