Drones and missiles have again bombarded Kyiv and Ukraine has targeted another Russian oil refinery amid stalled efforts to end the years-long war. A Russian missile and drone attack on Ukraine's capital and surrounding areas has injured at least 19 people, according to authorities. Key points and original sources are listed below.

• Drones and missiles have again bombarded Kyiv and Ukraine has targeted another Russian oil refinery amid stalled efforts to end the years-long war.S1

• A Russian missile and drone attack on Ukraine's capital and surrounding areas has injured at least 19 people, according to authorities.S2