UN Secretary-General Antonio Guterres (C) beside Greek Cypriot leader Nicos Anastasiades (R) and Turkish Cypriot leader Mustafa Akinci (L) June 4, 2017 at UN headquarters in New York. Pic/AFP 

UN Secretary-General Antonio Guterres has strongly condemned the terror attacks in Iran as he stressed the need for all countries to work together in fighting terrorism.