(New York State Police)(NEW YORK) — A manhunt continued Saturday for a suspect in upstate New York believed to have killed his father and set fire to the home to cover it up, according to law enforcement sources. The suspect, Thomas Ryan, 32, is known to frequent the Plattsburgh area in Clinton County and is considered armed and dangerous, New York State Police said in a statement Friday. On Thursday, investigators responded to a fire at a residence on Greenville Turnpike in Greenville, Orange County. He was last seen in the area of Greenville Turnpike wearing black sweatpants and a black t-shirt, according to police. Anyone who observes suspicious activity is urged to contact the New York State Police immediately.