First there was a very bright, red flash with intermittent dim white flashes. Finally there was a much dimmer red flash.
Terminal flash
Observation
Yes
Remarks
It was a bright red flash that looked like an upside down mushroom.
Fragmentation
Observation
Yes
Remarks
It looked like intermittent flashes. At first I thought it was a passing airplane with a flashing tail light, then it ended with a secondary less intense red flash. The entire episode from start to finish was less than one minute.