- PewDiePie briefly lost his crown as the most subscribed channel on YouTube.
- Bollywood channel T-Series edged ahead for more than two hours on Monday morning.
- PewDiePie and fellow YouTubers have campaigned to keep the vlogger on top.
YouTube star PewDiePie, real name Felix Kjellberg, was briefly dethroned as YouTube's most subscribed channel by music channel T-Series.