we were leaving our pool tonight at 9:39pm and we looked up in the sky and saw 2 bright lights approaching us. they were low and at first we thought they were helicopters except they made absolutely no noise. they flew in a straight line and slow and we could see red and white pulsing lights underneath. they continued flying and then all of the sudden they disappeared. A few seconds later, 2 other bright lights approached us from the same direction,flew in the same pattern and we saw the pulsing red and white lights underneath. they passed above us and then disappeared. This was at 143rd st and Metcalf ave.
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