The ship was hit by two ` ` abnormal '' waves , each about 26 feet ( 8 meters ) high . Maltese government officials began investigation . Two male passengers -- a German and an Italian -- were killed and 14 other people were injured . German , Italian passengers killed when waves broke windows . Two other people died in the incident which occurred off Cabo de San Sebastian .
The ship was hit by two ` ` abnormal '' waves , each about 26 feet ( 8 meters ) high . Maltese government officials began investigation . German , Italian passengers killed when waves broke windows . Two other people died in the incident which occurred off Cabo de San Sebastian .