There's been a fatal stabbing at Tungkillo in the Adelaide Hills.
Police arrived to an Adelaide Rd home around 10.30 last night and found a 51 year old man seriously injured outside.
He sadly passed away at the scene while another man at the site, aged 52 has been arrested and is in Police custody.
He's since been charged with murder and will face court today.
It's believed the pair are known to each other but what relationship they have is not yet clear.
However Detectives have roped off two houses next to each other.