Where do you find the item flash in pokemon platinum andvwhere do you go when theirs a blackout in the next city after you beat the fourth gym leader

TM70 Flash can be bought in Oreburgh Gate or Veilstone Dept. Store for 1000. You are supposed to go around, go to Veilstone and battle the Gym leader there.
Updated on Wednesday, February 01 2012 at 01:51PM EST
Collections: gym leaderblackout