Washington DC, May 5 -- US Secretary of State Marco Rubio on Tuesday (local time) said Iran must "accept the reality of the situation" and return to the negotiation table in order to achieve a complete solution to the crisis in West Asia, as Washington seeks to better understand the scope of issues Tehran may be willing to discuss.

Addressing a press briefing, Rubio said US officials are currently working to identify the areas Iran may be open to engaging on, suggesting that any early-stage understanding could begin with broader, high-level parameters rather than a detailed agreement.

He added that the US is focusing on establishing clarity over negotiation topics and possible concessions from Tehran.

"Iran must accept the reality of t...