A skydiving instructor and student were killed in a jump on Cape Cod Sunday afternoon, CBS Boston reports.

The skydivers, jumping in tandem, crashed into a house on Race Lane in Marstons Mills beyond the intended landing area of a Cape Cod airport, authorities said. The victims were both adults males, according to Massachusetts State Police.

Both of the skydivers were transported to Cape Cod Hospital.

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The Federal Aviation Administration and the district attorney's office are also investigating.

The Boston Globe reported that it was not clear if an equipment malfunction was to blame.