JERUSALEM — Israeli police on Monday arrested a prominent Israeli billionaire businessman and four other suspects on an array of charges, including money laundering, obstruction of justice, and bribery.

The police said the suspects were taken into custody and questioned after a joint investigation with Swiss and American authorities.

One of those arrested was Beny Steinmetz, a Geneva-based diamond-mining magnate with an estimated worth of just over $1 billion, according to Forbes.

Steinmetz was also arrested by Israeli authorities in December over allegations of bribing officials in the West African country of Guinea to promote business interests there. He spent two weeks under house arrest at that time.

Among the four other suspects arrested were Tal Silberstein, a former political consultant to ex-Israeli premier Ehud Barak and an adviser to the Austrian chancellor, as well as the CEO of Israeli telecom giant Bezeq, David Granot.

Police wouldn’t elaborate on the specifics of the current investigation. A court extended Steinmetz and Silberstein’s custody later Monday.

Israeli media reported in December that Steinmetz was suspected of bribing the former leader of Guinea and his wife for rights to mine at the Simandou range, one of the world’s largest sources of iron ore.

Steinmetz’s company BSGR previously had its mining license revoked in Guinea because of corruption charges.

Austria’s Social Democratic Party later announced it is severing business relations with Silberstein.

Associated Press