Identified only as A S, is still in a critical condition and the 19-year-old jobless attacker has been arrested.
He was taken to a hospital here where he underwent surgery and suffered four heart attacks. The man was found by police in a pool of blood at the untidy flat with deep stab wounds to his chest and an arm, ANSA new agency reported.
The Filipino, Micalat, was hiding in the attic and allegedly rinsed the blood off the knife used in the attack.
Both men are legal residents in Milan and have clean criminal records.