Conversation so far:
What happened at woodstock?
At Woodstock in 1969, Hoffman reportedly interrupted The Who's performance to attempt to speak against the jailing of John Sinclair of the White Panther Party.
was he successful in the interrupting?
He grabbed a microphone and yelled, "I think this is a pile of shit while John Sinclair rots in prison ....
what happened after that?
Pete Townshend was adjusting his amplifier between songs and turned to look at Hoffman over his left shoulder.
Townshend shouted "Fuck off! Fuck off my fucking stage!" and.
What happened next?
and reportedly ran at Hoffman with his guitar and hit Hoffman in the back, although Townshend later denied attacking Hoffman.
was anyone arrested at this point?
CANNOTANSWER.

Question: did anyone get hurt?
Self-contained rewrite: Did anyone get hurt in the confrontation between Hoffman and Townshend at Woodstock?