MANILA, Philippines --- Typhoon Hanna (international name: Haiku) slightly strengthened as it moves closer to Southern Taiwan's coast early Sunday morning. Based on the 5 a.m., September 3 bulletin of the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa), Batanes and the northern portion of Babuyan Islands, particularly Babuyan Island and Calayan Island, remain under Tropical Cyclone Wind Signal No. 1 as Hanna intesified. Hanna's eye was last located 215 kilometers north-northeast of Itbayat, Batanes, packing maximum sustained winds of 150 kilometers per hour (kph) with gustiness of up to 185 kph. It was moving westward at 20 kph. The stat...Keep on reading: Typhoon Hanna slightly intensifies; Signal No. 1 stays in Batanes, parts of Babuyan Islands