a) Pashtuns are safe in Punjabi, Sindhi and Baloch dominated areas, but unsafe in Bihari (Urdu Speaking, Mohajir, MQMwala - whatever you call them) dominated areas.
b) Punjabis are safe in Pashtun, Sindhi and Baloch (the credit of recent hate against Punjabis goes to the madness of the Punjab dominated establishment otherwise Balochs are respectful and peace loving people) dominated areas, but unsafe in Mohaijir dominated areas.
c) Balochs are safe in Pashtun, Sindhi and Punjabi dominated areas, but unsafe in Mohajir dominated areas.
d) Mohajirs are safe in Pashtun (outside of Kirachi), Sindhi and Punajbi dominated areas, but unsafe in Mohajir dominated areas of Karachi.
e) Even before parition communal riots between Hindus and Muslims in UP, DP, CP, EP and GP were as normal as the farts of Altaf the Beautiful.
d) They could not even live peacefully with Bengalis in east Pakistan who had provided refuge to Bihari refugees fleeing India.
Go figure!