A man has been stabbed to death in the inner Sydney suburb of Redfern.
Police say emergency services were called to a unit block on Walker Street at about 7.45pm on Sunday to find a man with multiple stab wounds.
He died at the scene.
A second man, aged in his 40s, also sustained stab wounds and was taken to St Vincent's Hospital in a critical condition.
Police are urging anyone with information about the stabbings to call Crime Stoppers on 1800 333 000.