Venezuelan coast guard vessels entered Guyana’s waters near Exxon Mobil Corp.’s offshore drilling site over the weekend and transmitted a radio message claiming it was patrolling a “disputed international” maritime zone.

By Mathew Cohen Venezuela's coast guard vessels allegedly entered Guyanese waters on March 1, approaching an ExxonMobil production vessel in the disputed offshore region, Guyana's President Irfaan Ali has announced.

The Venezuelan patrol ship that entered Guyana’s waters Saturday and positioned itself near a vessel contracted by Exxon Mobil Corp. in the Stabroek oil block has departed the area, according to the Guyana Defence Force.