China executes mining tycoon

Hong Kong (CNN) China has executed a mining tycoon found guilty of murder and running a "mafia-style" organization, state media reported Monday.

Liu Han, 48, the former chairman of Hanlong Group, was executed along with his brother, Liu Wei, and three associates, official news agency Xinhua reported.

The men met with their families before they were executed, Xinhua said.

Liu has been linked by state media to former security czar Zhou Yongkang -- the most senior official snared in China's anti-corruption campaign.

Hanlong's interests included mining, real estate, electricity, energy and finance and the company remains a shareholder in two Australian companies - Moly Group and Sundance Resources.

Liu was detained in 2013 along with his younger brother. They were sentenced to death in May 2014.

The Liu brothers started out running gambling dens in their base in Guanghan, in China's southwestern Sichuan province, in the e