アメリカ大使館とオーストラリア大使館が セブ、ボホール などビサヤでの誘拐に対する注意喚起
AFTER U.S. TRAVEL ADVISORY
Australia urges citizens to exercise 'high degree of caution' in PHL
http://www.gmanetwork.com/news/story/606593/news/nation/australia-urges-citizens-to-exercise-high-degree-of-caution-in-phl

Security Message for U.S. Citizens: Travel Advisory for Central Visayas
https://ph.usembassy.gov/security-message-u-s-citizens-travel-advisory-central-visayas/

http://smartraveller.gov.au/countries/asia/south-east/pages/philippines.aspx

カナダとイギリスも注意喚起
Canada, UK also warn citizens vs. PH south
http://www.sunstar.com.ph/cebu/local-news/2017/04/11/canada-uk-also-warn-citizens-vs-ph-south-536069