Washington DC, July 13 -- In the final weeks leading up to his sudden demise, senior US Senator Lindsey Graham was actively spearheading a major diplomatic push aimed at brokering a historic normalisation pact between Saudi Arabia and Israel, according to a report by US media outlet Axios.

The 71-year-old South Carolina Republican, who famously transitioned from a vocal critic of Donald Trump into one of the president's most formidable Capitol Hill allies, passed away late on Saturday evening.

His office announced on Sunday that his death was caused by a heart condition linked to hardened arteries.

Recognised as a towering figure in American foreign policy, the late legislator remained intensely focused on his grandest geopolitical amb...