Prime Minister Yingluck Shinawatra announced the action after demonstrators seeking to remove her from office occupied parts of the finance and foreign ministries.
The Internal Security Act authorises officials to seal off roads, take action against security threats, impose curfews and ban the use of electronic devices in designated areas. Peaceful rallies are allowed under the law.
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? firstname.lastname@example.org