Police have made an arrest after finding human remains as they investigate the suspicious disappearance of a man who's been missing for a month.

Police have arrested a Westmeadows man more than a month on from the suspicious disappearance of 23-year-old Joshua Bishop.

Police have arrested a Westmeadows man more than a month on from the suspicious disappearance of 23-year-old Joshua Bishop.

Police have found human remains at a Melbourne home as the search for missing 23-year-old Joshua Bishop takes a turn.

Police have found human remains at a Melbourne home as the search for missing 23-year-old Joshua Bishop takes a turn.

Police have found human remains in the search for Joshua Bishop, a Victorian man who has been missing for a month.

Police have found human remains in the search for Joshua Bishop, a Victorian man who has been missing for a month.

A Melbourne man has been arrested at a home in the city's north-west - one month after Joshua Bishop's disappearance.

A Melbourne man has been arrested at a home in the city's north-west - one month after Joshua Bishop's disappearance.

A Melbourne man has been arrested at a home in the city's north-west - one month after Joshua Bishop's disappearance.