i think u were distracted and u went through a red light..well u
shud have seen a flash through your mirrors..tis happened to me
once but i jammed my brakes about 3 metres behind the white line
and the wheels locked the whole car literally vibrated like mad and
thanks to EBD, ABS my car stopped with the rear wheels touching the
line and then i reversed a little and i jammed my brakes doing
60km/h..and the camera didnt flash..PHEW!..ever since then i keep
my eyes on the road..but i was very lucky no one was crossing the
road..
if u are lucky they might just be decoy cameras, there are lotsa
decoy cameras around.. 
very true..
