FORD EXPEDITION WAS TRAVELLING AT 50-60KM/HR WHILE PASSING AN EMERGENCY VEHICLE ON A HIGHWAY. THE EXPEDITION WAS STRUCK FROM BEHIND BY A UTILITY VAN TRAVELLING AROUND 110KM/HR. BOTH FRONT SEATS SLID FORWARD AND ALSO RECLINED ON IMPACT. THIS CAUSED BOTH FRONT PASSENGERS TO SUSTAIN BRUISING ON THEIR CALF'S DUE TO THE SEATS SLIDING FORWARD AND WHIPLASH FROM BOTH FRONT SEATS RECLINING. BOTH FRONT SEATS TRAPPED CHILDREN IN THEIR CAR SEATS IN THE 2ND ROW FORM BEING RECLINED. NO AIR BAGS DEPLOYED IN THE ACCIDENT AS WELL!