PRAGUE, Muharram 19, 1434, Dec 3, 2012, SPA - U.S. Secretary of State Hillary Rodham Clinton says Syrian regime's action on chemical weapons remains a "red line" for the Obama administration and that it would prompt action from the United States. Speaking in Prague, Hillary Clinton stressed Monday that Washington would address any threat that arises, according to a report of the Associated Press. She arrived in the Czech Republic Monday for a brief visit, is to meet later with Prime Minister Petr Necas and Czech Foreign Minister Karel Schwarzenberg. Hillary Clinton, on the first leg of a five-day Europe trip, will spend less than 12 hours in the Czech Republic and head later to Brussels for talks with her Pakistani counterpart Hina Rabbani Khar. She will then spend two days in Brussels for the annual NATO foreign ministers meeting, before travelling to Dublin later in the week for a meeting of the Organization for Security and Cooperation in Europe. Her final stop on her 38th trip to Europe will be a short visit to Belfast on Friday. --SPA 14:06 LOCAL TIME 11:06 GMT www.spa.gov.sa/1054953