How to halt/pause other iframes if one iframe is already playing iframe source has externally hosted video?

I have hosted my videos in bunny cdn for faster bandwidth, Now embedding 5 videos in a single HTML web page, The problem is I am unable halt/pause other iframes automatically if one iframe is already playing?iframe source has externally hosted video?

I have tried give the external link in video source tag but it’s not working.
Can anyone quickly give me JS or Jquery to solve my problem