Senior native police official Ahmad Mohiuddin mentioned explosives had been packed into a motorcycle parked close to the automobile of a non secular chief collaborating within the rally.
Photos from the scene confirmed damaged glass, rubble, and bloodstains.
“It was an improvised explosive gadget which went off as contributors started to disperse,” added Tariq Mengal, a senior native administration official.
No group has claimed accountability.
Hundreds of individuals rallied throughout Pakistan on Friday in assist of Palestinians, hours after a ceasefire was introduced between Israel and Hamas which governs the Gaza Strip.
The rallies adopted Friday prayers which normally draw enormous crowds to mosques.
Demonstrators might be seen waving indicators that mentioned “Free Palestine”, whereas a serious highway connecting the capital Islamabad to the neighbouring metropolis Rawalpindi was blocked.
Friday’s Chaman blast comes simply weeks after a suicide bombing in Quetta at a luxurious resort the place the Chinese language ambassador was being hosted.