In St. Charles Mo. My friends and I saw 4 glowing spheres roughly 5 miles in a diamond shape. I saw the original when i saw 3 lights and 1 took off to the south and 1 took off to the north. While one stayed hovering. The one that went north then turned around and went south with the other one. The one that stayed hovering was the center piece that i then saw of the 4 creating diamond shape. I then went out back and another flew over my head from the north. It had 2 constant yellow lights and one flashing