Security Risks To Americans In The Philippines?

The United States stronger urges Americans to “carefully Consider the risks” of traveling to the Philippines. Can anyone elaborate on this issure? I hear Filipinos say, the vast majority are good, caring and considerate people and have alot of compassion and respect. Are Americans hated over there to or what? I can tell you also the same holds true for the vast majority of Americans are good decent people. The Philippines is paradise and I am coming to see it! Hopefully with no serious issures.