A community is in shock after a homeless man allegedly murdered an expecting couple, leaving the woman's mother grieving the loss of a daughter and unborn grandchild.

Ross Judd, 34, was charged with murdering pregnant Athena Georgopoulos, 39, and her 50-year-old partner inside a home at Mount Waverley, in Melbourne's southeast, on Monday night.

Nader Youssef, who lives down the street from the pair, was turned away by police that night and only allowed back home the next day.

"My brother said he heard screams and shouting," Mr Youssef told reporters on Wednesday.

The "alarming" incident hit close to home and was the first conflict on the street where he had lived for more than a decade.

"I was shocked that it happened on my street. I thought it was just old retirees around here," he s

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