American John Frederick Warnaca, 47 years old, from Fresno, California died suddenly while at an internet cafe in Quiapo, Manila on Wednesday.
Arriving at the store just after 2pm by 3.30 pm his head had leaned back on his chair and people tried to help him. However Warnaca had already passed away.
His recent activity on Facebook showed he had argued with a woman believed to be his Filipina girlfriend.
Authorities are currently tracing the family of the victim. As well as already informing the American embassy.