Guyana's president Saturday denounced an incursion by an armed Venezuelan naval vessel in disputed waters that are home to a mammoth offshore oil deposit being developed by ExxonMobil. President Irfaan Ali,

Guyana and Venezuela have seen heightened tensions over control of the disputed Essequibo territory, a sprawling region rich in natural resources

The South American neighbours are involved in a long-running dispute about which country owns the oil-rich Essequibo area Guyanese President Irfaan Ali said on Saturday that a Venezuelan naval vessel had entered his country's waters earlier in the day,