PoliticsUS warns Venezuela after its vessels threaten ExxonMobil’s Stabroek FPSOs offshore GuyanaSouth American neigbours' territorial dispute escalating at the weekendMohamed Irfaan Ali, President of Guyana, addressing the 76th Session of the UN General Assembly in September 2021.Photo: AP/SCANPIXAmanda BattersbyAsia Bureau ChiefSingapore