Israeli Prime Minister Benjamin Netanyahu denied profiting from a state contract to buy submarines from a German conglomerate, calling claims from a political rival "blood libel" in a rare broadcast interview on Channel 12.

In question were shares Netanyahu held in a company that later became affiliated with the conglomerate, a holding he sold at great return on investment. Netanyahu insisted he reported holding the shares, then selling them, and paid the appropriate tax on the gain.

"There is no connection between my investment and the submarines," he said. "I sold my shares 1.5 years before the first submarines was sold."