MANILA, June 13 -- Public utility bus (PUB) operator Precious Grace Transport will be summoned to explain the assault of a person with disability (PWD) by a bus conductor and some passengers, the Land Transportation Franchising and Regulatory Board (LTFRB) said Friday.

In a statement, LTFRB chairperson Teofilo Guadiz III said the incident was caught on video and went viral on social media after it occurred inside one of the buses of PGT that ply the Epifanio Delos Santos Avenue (EDSA) Busway.

According to an initial investigation by the Department of Transportation's (DOTr) Surveillance and Action Information Coordinating Team (SAICT), the bus was registered with license plate no. NDQ 2615, driven by Mark Ivan Ramos, with conductor Fran...