BEIJING — Zhou Yongkang was charged with bribery, abuse of power and intentional disclosure of state secrets, the Supreme People’s Procuratorate (SPP) said on Friday.

The indictment was brought in on Friday by the Tianjin Municipal People’s Procuratorate No. 1 branch to the Tianjin Municipal No. 1 Intermediate People’s Court.

The announcement followed a lengthy investigation that also has scrutinised Zhou’s former allies in government and the oil industry.

Zhou had been under investigation since late 2013.

Zhou is the highest-level official charged as part of President Xi Jinping’s anti-corruption campaign that began in late 2012.

Zhou, 73, served as deputy general manager of China National Petroleum Corporation, secretary of the Communist Party of China (CPC) Sichuan Provincial Committee, and member of the Political Bureau of the CPC Central Committee while minister of public security and state councilor.

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He also served as member of the Standing Committee of the Political Bureau of the CPC Central Committee and secretary of the Commission for Political and Legal Affairs of the CPC Central Committee.

Zhou took the advantage of his posts to offer interests to others and illegally accepted a huge amount of money and property, according to the indictment.

Story compiled with information from Xinhua and The Associated Press.