What is the ruling of eating non-halal meat when visiting a foreign friend?

Fatwa, posted 4.22.2010, from Iraq, in:
Religious Authority: 
Ali al-Sistanti
Website URL: 
http://www.sistani.org/
Fatwa Question or Essay Title: 
What is the ruling of eating non-halal meat when visiting a foreign friend?
Websites and Institutions: 
The Official Website of Grand Ayatollah Al Uzma Seyyid Ali al-Sistani

It is not allowed.

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