An alleged leader from Japan’s Yakuza crime syndicate has pleaded guilty to trafficking nuclear materials from Myanmar as part of a global web of trades in drugs, weapons and laundered cash, according to the US Department of Justice.

Takeshi Ebisawa, 60, a Yakuza leader, was said to have "brazenly trafficked nuclear material, including weapons-grade plutonium".

Mafia leader caught in sting operation trying to sell weapons-grade nuclear material to man he believed was Iranian general