Chavez was speaking ahead of a summit of South American leaders which is set to discuss Colombia's plans to allow US troops access to its bases. Photo by wordpress.com
Venezuelan President Hugo Chavez has accused Colombia of carrying out a military incursion into Venezuela.
Chavez said Colombian soldiers had recently been seen crossing the Orinoco river, which forms part of the border, and entering Venezuelan territory.
He said the incursion, which Colombia denies happened, was a "provocation", the BBC reported.
Chavez was speaking ahead of a summit of South American leaders which is set to discuss Colombia's plans to allow US troops access to its bases.
Chavez has been embroiled in a diplomatic row with his Colombian counterpart, Alvaro Uribe, ever since news of the plan emerged.
During his weekly TV show on Sunday, President Chavez ordered his troops on to a war footing along the border with Colombia.