The captain of the Solong cargo ship who was arrested after crashing into an oil tanker off the English coast is a Russian national, the vessel’s owner said Wednesday, as maritime experts search for answers.

After clinging for more than seven months to a gradually shrinking area, Ukraine has seen its position worsen sharply in the past week.

Russian forces have recaptured Sudzha, the largest town that Ukraine once occupied in the Kursk region, according to Moscow, threatening Kyiv’s sole territorial bargaining chip amid pressure to negotiate an end to the war.

Russian President Vladimir Putin will formulate Moscow’s position on a temporary ceasefire in Ukraine himself, conveyed Yuri Ushakov, advisor to the Russian leader. However, Ushakov did not provide details on when Putin's possible address might occur.

A Russian missile attack on the central Ukrainian city of Kryvyi Rih killed a 47-year-old woman and wounded at least nine other people, Dnipropetrovsk regional governor Serhiy Lysak said on Wednesday.

The Kremlin didn't comment on the agreement announced Tuesday between the U.S. and Ukraine on the provision of further military support, including intelligence sharing, and the possibility of a ceasefire that Washington backs.