Complex sentence: The foreign secretary of the United Kingdom Philip Hammond raised her case with Mohammad Javad Zarif, Iranian Minister for Foreign Affairs at talks at the United Nations in New York, however Iran does not recognise her dual nationality as a British citizen.
Split into simpler sentences: The foreign secretary of the United Kingdom Philip Hammond raised her case with Mohammad Javad Zarif, Iranian Minister for Foreign Affairs at talks at the United Nations in New York. However, Iran does not recognise her dual nationality as a British citizen.