Hyde's game at Macclesfied is delayed until at least 3.30pm after a supporter was taken ill.
A man collapsed near the entrance to the ground and the air ambulance landed on the pitch.
A club spokesman said: "The kick off will be 3.30pm at the earliest while we deal with an emergency."

Tameside arts centre marked five years at the heart of its community
National Highways M60 Simister Island work reaches major milestone
Hate Crime Awareness artwork displayed across Tameside
Family pays tribute as officers provide update in relation to human remains found close to M67 in Tameside