KOCHI: Thomas and Mary are in agony at the loss of their son, who came into this world after 14 years of their marriage. Chris Winterborn Thomas Mulanthuruthy, who died in the horrific bus collision in Vadakkancherry, was a 10th-class student in Baselios Vidyaniketan School in Vettikkal and the son who died in the Vdakkancherry bus accident is the only child of Thomas and Mary couple of Thuruttikkara Kota.