Now, three of Pakistan's 4 neighbours have accused it of exporting terror and harbouring terrorist organizations.
The latest to make the accusations is Iran, which warned Pakistan that it would carry out "surgical strikes" against Sunni terror groups from Pakistan that are responsible for several attacks inside Iran.
Pakistan's primary export: Terror
What was the issue about?
10 Iranian border guards were killed last month when Sunni militants from the Jaish al Adl fired upon Iranian border outposts with long range weapons from inside Pakistan.
They have done this before as well, when they killed 8 border guards in 2015 and 14 in 2013.
In 2014, 5 Iranian border guards were kidnapped by the group, who released 4 and killed 1.
Who are Jaish ul-Adl?
Jaish ul-Adl (Army of Justice) is a Sunni terror group fighting for independence in Iran's Sistan-Baluchestan province. It fights against the rule of a Shia theocracy on a Sunni population.
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What did Iran say?
Major General Mohammad Baqeri, the head of the Iranian armed forces warned Pakistan that unless Islamabad reigned in these terror groups, Iran would take action.
He added that "we will hit their safe havens and cells, wherever they are."
India, Afghanistan echo similar problems
For decades India has raised the issue of Pakistan's incessant material and logistical support to separatists and cross-border terrorists in the region.
Afghanistan and Pakistan also had a bloody border-skirmish recently.
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