End of game part 2

[OKREF]

Okay, I saw something last night I've never seen in 15 years of officiating. This happened in the game prior to mine. Was watching. This will take a while to lay out, so be patient.

Less than 5 seconds left in regulation, team A down by 2. A1 scores with 2.8 seconds to tie game. Team B coach immediately calls timeout, C gives timeout and sounds whistle more than once and came running towards table, gym is loud and packed and nobody hears whistle, as timeout whistle is sounding, B1 is inbounding ball, and it is stolen by A1, A1 goes to shoot ball and is fouled by B1, official on endline calls foul, and gives intentional foul sign. All of this happening while the clock is running out.

So we have a timeout, clock doesn't stop, intentional foul prior to clock expiring. What are you going to do?