A terrifying moment marred the final day of competition at the European Indoor Track and Field Championships on March 9, as Maureen Koster of the Netherlands was knocked unconscious during the women’s 3,000 meters.

Women's athlete Maureen Koster was knocked unconscious when she fell down at the European Indoor Championships on Sunday, and was later taken to a hospital.

Dutch athlete Maureen Koster suffered a fall and was knocked unconscious during the women's 3000m at the European Indoor Championships in Apeldoorn, the Netherlands on Sunday.