Iraqi lawmakers elected a veteran Kurdish politician as the nation’s new president on Thursday, hours after an attack on a prison convoy killed dozens of people, brutally underscoring the challenges faced by the country’s leaders as they struggle to form a new government.

Ukraine’s Prime Minister Arseniy Yatsenyuk resigned on Thursday after his governing coalition collapsed, plunging the former Soviet State into political limbo. The news came hours after the coalition that had supported Mr. Yatsenyuk’s Fatherland party dissolved, a move that all coalition members had sought.

The EU Foreign Affairs Council meeting in Brussels Tuesday decided to add three additional Syrian persons and nine entities to its blacklist in view of the gravity of the situation in Syria. The Council in a statement said Syrian regime officials are involved “in the violent repression of the civilian …