Iran was slapped with fresh sanctions Friday after carrying out its first execution over demonstrations that have shaken the regime for nearly three months, as activists called for fresh protests. Mohsen Shekari, 23, was hanged Thursday after being found guilty of "moharebeh", or "enmity against God", (except).. (excerpt)The judiciary said Shekari was arrested after blocking a Tehran street and striking a member of the Basij paramilitary force linked to the powerful Islamic Revolutionary Guard Corps with a machete -- a wound that required 13 stitches