BEIJING, April 19 -- Chinese police have arrested 30 suspects involved in a major cross-border telecom and Internet fraud case, according to the Ministry of Public Security (MPS) on Wednesday.

The suspects were found to have disguised their phone numbers with the those of public security organs, before coercing victims into transferring funds to their accounts, the MPS said in a statement.

Based in Indonesia, the suspects targeted people in southwest China's Yunnan Province, and made around 6.4 million yuan (nearly 1 million U.S. dollars) from the victims, said the MPS.

Telecom and Internet fraud harm the property of the people, as well as the people's sense of security, said an official at the MPS.

Chinese police caught 19,345 telecom fraud suspects in 2016, according to the Supreme People's Procuratorate in March.