As March came to an end between 60 to 100 Venezuelan soldiers invaded Colombia. Making things worse, Colombian President Juan Manuel Santos took a weak approach to the situation, and Nicolas Maduro's provocation was left unpunished. Yet in the next 24 hours, an order straight from Caracas dispatched more Venezuelan soldiers to Colombian territory. Border negotiations between Colombia and Venezuela started after the dissolution of the Gran Colombia. For decades Colombia and Venezuela have held negotiations to no success over the maritime delimitations in the Gulf.
Source: Forbes April 11, 2017 19:30 UTC