Iran thinks that by ingratiating itself with countries like Saudi Arabia, it might set back the trend of normalization with Israel.
The government rejected protests by some Danish opposition parties that said banning Quran burnings would infringe on free speech.
A new study from New Zealand found that Violent actions intended to provoke opposition to particular communities may paradoxically lead to lasting acceptance.
The decision to appoint a commission met with immediate scepticism from several political parties, including the government's support party, the anti-immigration Sweden Democrats.
A Christian graveyard was also desecrated in the vicinity, residents and community leaders said.
Blasphemy is punishable by death in Pakistan and though no one has ever been executed for it, numerous accused people have been lynched by outraged crowds.
Security was tight in the capital on Tuesday, which was declared a holiday, with soldiers stepping up checks.