MADRID, Safar 29, 1438, November 29, 2016, SPA -- Spanish billionaire and former finance minister Juan Miguel Villar Mir will face questioning by a judge over alleged irregularities in the award of a hospital construction contract to his real estate conglomerate, a court said on Tuesday, according to Reuters. Prosecutors allege that Grupo Villar Mir (GVM), the private holding that the 85-year-old industrialist has spent the past 30 years building up, won the contract in 2006 by rigging the auction. Villar Mir has always denied any wrongdoing. GVM owns a majority stake in Spanish builder OHL. After the allegations first surfaced in 2006, the contract worth 600 million euros ($638.46 million) was handed to a subsidiary of another Madrid-listed builder, ACS. Reuters could not immediately reach Villar Mir, an influential business leader who sits on the board of Spain's biggest bank Santander. He will be questioned on Jan. 9 via video link along with six other people involved in the tender to build the Son Espases hospital on the island of Mallorca, Judge Jose Castro wrote in a court ruling. Villar Mir and his family have the fifth-biggest fortune in Spain, valued at $3.1 billion according to Forbes. Villar Mir passed on the chairmanship of OHL to his son in July. --SPA 23:02 LOCAL TIME 20:02 GMT www.spa.gov.sa/w279775