Three explosions went off by the Dortmund bus as the team embarked for their Champions League quarter-final first leg against Monaco on Tuesday night.
Bartra suffered a hand injury and was taken to hospital and the match was called off. It will be played on Wednesday at 5:45pm.
Burki was sitting next to Bartra when the attack happened.
Read the full article on eurosport.co.uk: Burki relives moment Bartra was struck by glass in blast