New Delhi, March 26 -- Former senior diplomat Vidya Bhushan Soni said on Thursday that the ongoing differences between the United States and Iran over ceasefire negotiations reflect diplomatic challenges, stressing that conflicts cannot be resolved through unilateral announcements.

Speaking to ANI, Soni said Iran's response to statements by US President Donald Trump regarding negotiations was expected, given the country's strong sense of national identity and history.

"Iran is a proud nation, a nation which has ancient history, civilisation, culture, and traditions. So they are not swayed by what are called the theatrics, " he said.

Referring to the US stance on ending the conflict, Soni said it was unrealistic for one side to determin...