The mere accusation was enough. No evidence, no proof was needed. As far as these jihadis are concerned, any pretext to victimize non-Muslims is worth acting upon.
“Pakistan: Mob Accuses Hindu Sanitary Worker For Burnt Quran Pages Found On Floor, Tries To Lynch Him,” Swarajya, August 23, 2022:
…yet another case from Pakistan where a man was nearly lynched to death over a similar accusation.
Given the harsh laws related to blasphemy of Islam in Pakistan, the victim, who is a Hindu named Ashok, has been booked and arrested on mere verbal accusation.