Tugboat Bohus suffered black-out and following stop of main engine en route from Wallhamn to Brofjorden on March 16 at 14.25 hours. It wasn't possible for the crew to restart the engine before Bohus grounded at the rocks at Härmanö Udde.

Shortly after the grounding the crew was evacuated by a helicopter from the Swedish Coast Guard. All of the 4 crew members are well after the grounding and evacuation. Shortly after the grounding Bohus started taking in water and listed heavily. Salvage team from Sweden and Holland has been mobilised. The vessel had at the time of the grounding 95mt of gas oil and 4 mt of lubricating oil on board.