Police in York Region are searching for at least two suspects after gunfire erupted at a home in Markham early Saturday morning.Investigators say two males wearing all black walked up the driveway of a home in the Warden Avenue and Highway 7 area just after 2 a.m. and fired multiple rounds at the residence before fleeing the scene in a white Honda Civic.Police say no one was physically injured in the incident.No other details or descriptions of the suspects were immediately available.