Thiruvananthapuram, July 11 -- A Kerala businessman and his wife were among the 15 Indian tourists killed when a speedboat carrying a group of Indian visitors capsized off Phu Quoc Island in southern Vietnam on Saturday.

The victims were identified as A.C. Thomas (64), a native of Kottarakkara in Kollam district, and his wife Lilly Thomas (58). The couple, who had been living in Hyderabad where Thomas ran a business, was holidaying in Vietnam with their daughter. She survived the accident after being rescued, sources said.

The accident occurred shortly after the speedboat left Hon May Rut Ngoai Island, a popular tourist destination near Phu Quoc. The vessel, carrying 32 Indian tourists and four crew members, reportedly overturned less tha...