KARACHI: Unknown persons on Saturday attacked Pakistan Tehreek-e-Insaf’sHead Office in Karachi.

According to media reports Insaf House — located on Shahra-e-Faisal — wasattacked by unknown persons.

The trespassers vandalized the property and wrote phrases including’Karachi president usurping seats of candidates unacceptable PS 102′ and’Go Arif Alvi go’ on the walls of the property.