BEIJING - Shen Weichen, Party secretary and executive vice president of China Association for Science and Technology (CAST), is now under investigation for suspected serious violation of discipline and laws.

The Communist Party of China Central Commission for Discipline Inspection made the announcement on its website Saturday, without providing further details.

As China's largest national organization of scientific and technological workers, CAST maintains close ties with millions of Chinese scientists, engineers and other people working in the fields of science and technology, according to its website.