Complex sentence: PNR restored its intercity service to the Bicol region in 2011 and the "Bicol Express" and "Isarog Express" were scheduled to run daily between Manila and Ligao, but as of September 2013 these trains were suspended.
Split into simpler sentences: PNR restored its intercity service to the Bicol region in 2011. The "Bicol Express" and "Isarog Express" are scheduled to run daily between Manila and Ligao but as of September 2013 the trains were suspended.