Two arrested after pipe bomb found on doorstep of Melbourne home

Two people have been arrested after a homemade pipe bomb was found on the doorstep of a home in Melbourne's north-west at the weekend.

Police raided a Pascoe Vale property on Heath Street at 5.20pm yesterday and uncovered a range of explosive materials inside.

The raids follow the discovery of a pipe bomb on the front doorstep of a nearby house on Sunday.

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The pipe bomb was found on the doorstep of the Derby Street house about 10am.

The Bomb Response Unit defused the device and no one was injured during the incident.

Police arrested a 45-year-old woman and 43-year-old man yesterday.

They have been charged to appear before the Melbourne Magistrates' Court today with making an explosive substance - endangering life, possessing explosive substance - endangering life, making explosive substance without excuse, possessing explosive substance without excuse and reckless conduct endangering life.

"Police are treating it as a targeted incident and are not looking for anyone else in relation to the matter," a Victoria Police statement read.