A memorial continued to grow Thursday outside the Portillo's restaurant in Oswego, Illinois, a day after a 2-year-old boy was killed and 13 other people were injured when a car crashed through the entrance.

Eight people were taken to nearby hospitals. The extent of their injuries weren't known, but at least one person was in critical condition.

Police said they believe a car crashed into a Portillo's restaurant in Illinois in a "tragic accident" that killed a 2-year-old.