The incident on 28 July is understood to have happened because of low water levels on the river.
The 190-passenger Ullur, according to Viking, came into contact with a sandbank. There were 186 passengers and 53 crew on Ullur at the time.
A Viking river cruise ship has been safely evacuated after the vessel ran aground on the Danube in Bulgaria.
Low-water levels have been blamed after a Viking river cruise ship ran aground on the Danube
The incident on 28 July is understood to have happened because of low water levels on the river.
The 190-passenger Ullur, according to Viking, came into contact with a sandbank. There were 186 passengers and 53 crew on Ullur at the time.
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