This follows news that Iran fired missiles into Pakistan targeting two bases of Baluchi terrorist group Jaish al Adl:

  • “These bases were hit and destroyed by missiles and drones,” Iranian state media reported,

There are reports now that the Pakistan military have struck inside Iran, via social media:

  • "per reliable sources camps of Baloch terrorists inside Iran have been targeted. Heavy losses and damage were reported.

Adding more:

  • Sources in the City of Saravan in Eastern Iran are reporting significant casualties and damage to at least 2 camps used by local Baloch groups
  • result of drone and missile strikes by the Pakistani Armed Forces
iran pakistan 18 January 2024 missiles

Pakistan is a nuclear power.

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I'm not sure how much impact on the USD an escalation in this conflict would have.