What would you do?

[WV_Zebra]

Game before mine, interesting situation.

Play A1 fouls out with under a minute to go. tie game. ( High school ) With less than 10 seconds to go, A calls a T.O. Players return to the floor. A1 scores the winning goal. Officials leave the floor thinking that Team A had won the game. They are notified after they leave the confines of the playing area that A1 had fouled out earlier, had not reported and was the player that scored the winning basket. what would you do?