The call, which has not been previously reported, came as the US threatened to roll out major economic sanctions targeting Iran and its trade partners. US President Donald Trump spoke with Pakistan's army chief Asim Munir before Munir's Tehran trip. Key points and original sources are listed below.

• The call, which has not been previously reported, came as the US threatened to roll out major economic sanctions targeting Iran and its trade partners.S1

• US President Donald Trump spoke with Pakistan's army chief Asim Munir before Munir's Tehran trip. Trump sought Pakistan's help to bring Iran back to negotiations.S2

• ISLAMABAD, Aug 24 (Reuters) - Pakistan's army chief Asim Munir spoke with U.S. President Donald Trump last week, according to three Pakistani sources, days before Munir was expected to hold talks in the Iranian capital Tehran on Monday.The call, which has not...S3