Via the BBC: Ecuador steps up border security

Ecuador is to send military planes to its northern border after Colombian military aircraft reportedly entered its airspace in pursuit of rebels.

Colombian Black Hawk helicopters and warplanes allegedly strayed into Ecuadorian territory on Saturday in an operation against leftist guerrillas.

[...]

Ecuador has remained neutral in Colombia’s struggle against a 41-year-old Marxist insurgency, despite requests for assistance.

This is a bunch of posturing, to be honest, but it does show the capacity of the FARC (it is probably the FARC) to stir up trouble between Colombia and its neighbors. There have been similar scenarios with Venezuela.