Italy has made decision Thursday to recall its ambassador to Tehran, sources in Italian Foreign Ministry told Xinhua.Alberto Bradanini, Italian ambassador to Tehran, has been called home for consultations over the attack by Iranian protesters on the British embassy on Tuesday.Italian Foreign Affairs Minister Giulio Terzi announced the same day in Brussels that Italy is to recall its ambassador in Tehran.Terzi told reporters in Brussels that \"because of increased tensions between Iran and the international community,\" the Italian embassy is also asking Italian citizens in Iran to stay alert and avoid crowded places.Mehdi Akouchekian, the charge d\'affaires of Iran to Rome, was summoned Thursday morning to the Italian Foreign Ministry, according to a statement issued by the ministry.The Italian government expressed its strong condemnation for the serious and utterly unacceptable act of violence which occurred against the structures of the British Embassy in Tehran, said the statement.Akouchekian expressed regret for the incident, saying it was \"unacceptable\", against which \"urgent and necessary measures will be taken.\"He also guaranteed on behalf of Iranian government the commitment to protect and safeguard the diplomatic and consular offices and of their staff in Tehran, according to the statement.