Russia launched more than 700 drones and missiles at Ukraine in multiple waves overnight, killing at least 18 people in what local officials said was the deadliest attack in months.

Trump will look to brush off concerns during a campaign-style swing through the battleground ​states of Nevada and Arizona this week.

Missile and drone attacks on the southern Ukrainian port city of Odesa killed seven people, the head of the city's military administration Sergiy Lysak wrote on Telegram.