Geneva, Feb 20 (IANS): Delegations from Iran and the US Friday started another round of bilateral talks over Tehran's long-disputed nuclear programme.

A diplomatic official with the US mission in Geneva told Xinhua news agency that the talks began Friday morning.

The source said that issues regarding the Iranian nuclear programme, including centrifuges and sanctions, would be on the table during these closed-door meetings.

The bilateral talks were at the moment led by Iranian Deputy Foreign Minister Abbas Araqchi and US Under Secretary of State Wendy Sherman, according to Iran's official news agency IRNA.

Iranian Foreign Minister Mohammad-javad Zarif and US Secretary of State John Kerry would join the talks Sunday and Monday, Araqchi said earlier.

Kerry's trip was confirmed by the US State Department in a statement, which noted that the top US diplomat will travel Feb 22 to Geneva to meet with his counterpart Zarif "as part of the ongoing nuclear negotiations".

The source with the US mission told Xinhua that Kerry was scheduled to leave Geneva late Monday afternoon.