As the land war grinds on, the aerial one is heating up

• A missile strike killed at least 16 people after hitting shops in the city of Kostyantynivka, Ukraine’s president said.
• Antony Blinken, the U.S. secretary of state, arrived in Kyiv hours earlier and was expected to announce more than $1 billion in new aid to Ukraine.

Ukraine and Russia have agreed to implement a "full and comprehensive" ceasefire in eastern Ukraine by the end of 2019, after top-level talks.