39-year old Cheryl Flowers was sitting in the window seat at the Milford Senior Center when a car came crashing into the building this morning.
Police say she was tossed across a classroom.
Afterward she was eventually taken to Christiana Hospital in Stanton due to the extent of her injuries.
The accident occurred when two vehicles collided after 10 am at the intersection of Northeast Front and North Washington streets.
Three people in one of the vehicles were also injured.