'It sounds quite sinister to me' - NZ prime minister
"It sounds quite sinister to me. I mean the fact that there would be four guys attacking him, [from] the media reports I saw looked somewhat unprovoked, and there must be something behind that. The assault seems very vicious so obviously we wish him a speedy recovery, and I'm sure the police will be working to get to the bottom of it."
New Zealand prime minister, John Key
"We don't need security. This is a nice suburb. We run security, we run doormen on the weekend, purely to make sure we have no intoxicated [people] and no underagers at the venue. It's not about having bouncers on the door. We have doormen that meet and greet and say farewell to the guests … the bar runs very well, we have got nice clientele, and we don't need security early in the week."
Steve Holmes, general manager at Aikman's bar, where the incident occurred
"Thanks for the calls and msgs of support for Jesse. Just heading to Chch to see him."
Ryder's manager and friend, Aaron Klee
"We are all shocked by what has occurred and extremely concerned for Jesse. New Zealand Cricket's thoughts are with him and his family.''
New Zealand Cricket chief executive, David White
"This is very unfortunate. He was looking forward to come, and he was supposed to board the flight for Delhi tomorrow [Friday]."
TA Sekar, the team director of Delhi Daredevils, Ryder's IPL team
"We are extremely saddened by the incident, we're very concerned for Jesse's well-being of course. He's been a big part of the team and the organisation for a long time now. Our primary focus right now is Jesse's welfare, and that involves supporting his family and his management as much as we can, hospital staff as well. We're also working very closely with the police in terms of their investigation."
Peter Clinton, Wellington Cricket chief executive
"Come on @DijaRyder show the fight you have within thinking of you brother.''
A tweet from Monty Betham, at whose gym Ryder trains
"Thinking of you mate @DijaRyder"
A tweet from New Zealand team-mate and former captain, Ross Taylor
"I am devastated. I just hope he pulls through, I don't know what else to say."
Ryder's boxing trainer, Billy Graham, who received an award on Ryder's behalf on Tuesday night
"Lots of positive thoughts for your recovery @DijaRyder... To those cowards, you are not cantabrians or even NZ'ers, you are disgraceful."
A tweet from Andrew Ellis, Ryder's New Zealand team-mate and Canterbury fast bowler, the side Ryder played two days ago