German police said they had determined there was “no danger” after a plane mistakenly transmitted a code suggesting a possible hijacking onboard.

© Tizian Gerbing/Picture Alliance, via Associated Press

The choice drew condemnation from Israel over Ms. Pillay’s role leading a U.N. commission that said the country had committed genocide against Palestinians.

© Daniel Karmann/DPA, via Associated Press

A rescue effort was underway, Prime Minister Rumen Radev said, after one of the two ships sank. It was not immediately clear where the drones originated.

© Petko Momchilov/Reuters