UFO Sighting in Westford, Massachusetts on 2017-11-04 00:00:00 – My friend saw what looked like fireballs flying in what he described as a bird like formation

A friend of mine who is of sound mind was driving in westford ma and saw what he described as fireball like objects flying like birds. he took a few photos and i thought they were amazing so i decided it was worth reporting. he was on highway 495