Outgoing Senator Panfilo Lacson (File photo) MANILA - Outgoing Senator Panfilo Lacson on Thursday said the blocking of the websites linked to the communist terrorist groups (CTGs) has a legal basis. This, after the National Telecommunications Council (NTC), upon the request of National Security Adviser Hermogenes Esperon Jr., ordered the internet service providers (ISPs) to block 26 websites believed to have ties with Communist Party of the Philippines-New People's Army-National Democratic Front (CPP-NPA-NDF). "If the blocked websites had to do with financing the activities of the CPP...