On May 30, the 89 meter long, 2754 dwt tanker Roschem 2 ran aground on the Don River near the 3128 km mark while headed to Kavkaz from Samara. The crew was unable to free the tanker and requested assistance. Two tugs were dispatched and were able to free the Roschem 2 later the same day.  No reports of injuries, damage or pollution released. Authorities have launched an investigation into the grounding.