A number of people abandoned the vessels after the crash in the North Sea, with the RNLI sending rescue boats from Bridlington and several seaside towns in Lincolnshire.
Swedish and Finnish police are investigating a suspected case of sabotage of an undersea telecoms cable in the Baltic Sea, and Sweden's coast guard has deployed a vessel to the area where multiple seabed cables have been damaged in recent months.
Three oil tankers have been damaged by blasts in the last month in separate incidents around the Mediterranean, with the causes unknown, shipping and security sources said on Wednesday.
The fuel and oil vessel 'Ang Yang-2' has crashed near Sakhalin and ran aground near the port of Nevelsk. This was reported by the governor of the Sakhalin region, Valery Limarenko, on social media.
Undersea cable off coast of Taiwan is 'damaged by Chinese ship' in latest worrying 'sabotage' incident after Russian vessels accused of cutting wires on purpose
Finnish authorities on Thursday seized a ship carrying Russian oil in the Baltic Sea on suspicion it caused the outage of an undersea power cable connecting Finland and Estonia a day earlier, and that it also damaged or broke four internet lines.