The deadly strikes are part of a long-running maritime battle with Ukraine and echo battles over other key shipping routes around the world.

© Reuters

The combatants are producing ever larger numbers of innovative aerial weapons, hoping for a breakthrough as ground combat is largely frozen.

© The New York Times

At least 17 people were killed, officials said, as the country runs desperately low on interceptor missiles that could fend off Russian bombardments.

© Vladyslav Sodel/Reuters