The 228 meter long, 73334 dwt tanker Maistros collided with the anchored 183 meter long, 50215 dwt tanker Ridgebury Kathrine Z in the North Sea off Belgium. The Maistros was headed to Antwerp when it suffered a power blackout and struck the Ridgebury Kathrine Z. Both vessels sustained damage, but no reports of injuries. Reports state the Maistros dropped anchor nearby.