BOSTON (CBS) — Two people were found dead in a South Boston penthouse on Dorchester Avenue Friday night.

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Sources tell the I-Team’s Cheryl Fiandaca, that the victims, a man and a woman, were found bound and had their throats slashed.

A third person was shot by police and taken to Tufts Medical Center. Sources say that individual is believed to be the suspect.

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The I-Team was told that the three people involved knew each other.

Boston Police confirmed that they responded to 141 Dorchester Avenue for reports of a barricaded suspect.

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No further details are available at this time.