Revisiting the 2017 Marawi City siege

On May 23, 2017, pro-ISIS terrorists belonging to the Maute group led by brothers Omar and Abdullah, with the help of the Abu Sayyaf faction under Isnilon Hapilon, occupied Marawi City, triggering a five-month armed conflict that resulted in over a thousands deaths and leaving the city in ruins. The occupation also stunned a military inexperienced in urban combat and stoked wider concerns that Islamic State loyalists have gained influence among terror groups in Mindanao. Here are some of the significant events that took place within the five months of Marawi siege.

—Anna Felicia Bajo with Jannielyn Ann Bigtas/KBK, GMA News