Italian police stand by as firefighters work at the site of the plane crash in the San Donato Milanese suburb of Milan, Italy on Sunday. /Italian Police via AP
Romanian billionaire Dan Petrescu, his wife and son died when the plane he was piloting crashed into an empty office building near Milan on Sunday, Italian media reported.
All five others aboard also died, bringing the death toll to eight.
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The single-engine Pilatus PC-12 had taken off from Milan's Linate airport shortly after 1:00 p.m. local time (11 a.m. GMT), headed for Olbia in the north of the Italian island of Sardinia.
It crashed just a few minutes later in San Donato Milanese, a town southeast of Milan, according to aviation agency ANSV, which has opened an investigation.
Witnesses said the plane was already in flames before it crashed into an office building undergoing renovations.
Petrescu, 68, was one of Romania's richest men. He headed a major construction firm and owned a string of hypermarkets and malls. He also held German nationality, the Corriere della Sera newspaper reported.
Corriere and the AGI news agency said Petrescu's 65-year-old wife, who had French nationality, and their son Dan Stefano, 30, were killed, as well as a child.
Milan Mayor Beppe Sala and his San Donato counterpart Andrea Checchi headed to the scene.
Deputy prosecutor Tiziana Siciliano was quoted by Corriere as saying that the plane's black box had been recovered.