According to reports, the 29 year old informed his friend residing in Hong Kong that he was being held for a AED 109,000 ransom through WhatsApp.
The suspects were identified as four Chinese nationals who were caught with the victim in a house in Makati City, Metro Manila.
They are currently under the custody of the Philippine National Police as an investigation is underway.

Indonesia commuter train crash toll rises to 15 as rescuers complete evacuation
Sweden issues 'early warning' of potential jet fuel shortage
Five wounded in two shootings in Athens, 89-year-old gunman at large
Russia calls for rapid restoration of peace in Mali after sustaining casualties
Trump unhappy with Iranian proposal, US official says
