At least 257 kg drugs were seized and four persons held during raids in China's Shanxi province, police said on Saturday.
Police were informed in March that the suspect surnamed Su could be involved in drug trafficking in Linfen city, Xinhua news agency reported.
In April, about 77 kg drugs were seized during a raid on Su's home. Another 180 kg were held in May in a drug den in Yuncheng city.
--IANS
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