Former US Under-Secretary of State Wendy Sherman criticized Washington’s policy over placing sanctions on Iranian Foreign Minister Mohammad Javad Zarif, saying the US president lies about no-preconditions negotiation with the government in Tehran.

Rasa - A former US under secretary of state for political affairs has taken President Donald Trump to task for his rash policies and uncalculated measures towards Iran after taking Washington out of a nuclear deal with Tehran, saying Trump does not understand Iran's culture of resistance.