Prayer: Is It Permissible to Pray or Sit in Places Usurped by a Tyrannical Regime?

Practical Laws of Islam as per the teachings of Imam Khamenei

Prayer: Is It Permissible to Pray or Sit in Places Usurped by a Tyrannical Regime?

English:

Question #368:

Is one permitted to sit in, perform prayers in, or pass through places that have been usurped by a tyrannical regime?

Answer #368:

Assuming certainty about usurpation, the rules and consequences of the usurped [places] will apply to it.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Prayer