The body of a man, 64, was discovered in a flat in Dukinfield this morning.
Police were called to an address on King Street shortly before 10am today following reports of concern for welfare.
Officers attended and found the body of a man.
A 29-year-old man has been arrested on suspicion of murder and remains in police custody.
For more on this story and many others, follow Mancunian Matters on Twitter and Facebook.