Police on Sunday arrested one of core leaders of Network of Students and People for Thailand's Reform on charge of having invaded into Foreign Ministry compound. Pichit Chaimongkon was rounded up at 8.55pm as he was in Season Square Deparment Store on Srinakarin Road. Pichit was alleged of leading a group of anti-government protesters to raid the ministry. He was a former secretary general of Students' Federation of Thailand in 2003 and he is a close aide of Suriyasai Katasila, a former cooridnator of People's Alliance for Democracy