Key developments on Sept. 1: * 12 killed in Kyiv and suburbs, including 6 rail workers, as Russian barrage enters 6th day * Estonia, Romania report drone incursions amid Russian and Ukrainian aerial attacks * Ukraine's PM announces major audit of Defense Ministry needs * Ukraine confirms drone strike on Russia’s Ust-Luga port At least 12 people were killed and 21 others injured in Kyiv and the surrounding oblast overnight on Sept. 1, as Russia launched a ballistic missile attack amid a day

Kyiv and the surrounding region remain key targets of the strikes, with eight air raid alerts sounding by 1:30 p.m. on Aug. 31.

KYIV: Nine people were killed and over a dozen injured in Russian air attacks on Kyiv and the surrounding region on Tuesday (Sep 1), authorities said, in the sixth consecutive day…