he trys to destroy some machine and he gets blasted by it and dies.
Flash Terry died in 2004.
Sandy Flash died in 1778.
he tripped
No
George Flash died on 1990-11-22.
The Barry Allen Flash died in Crisis on Infinite Earths #8.
he ran into a wall
No. You can take a picture of them but don't use the flash. The flash could damage their eyes.
Unlikely. However, a rabbit can die of shock, so be careful!
Don't die.
until they die.
He was shot in one of Flash's marine/medic pushes.