Colombian judge issues an arrest warrant for head of Ecuadorian armed forces . Colombian Gen. Maria Velez de Berliner cancels trip to Ecuador for fear of arrest . Tensions between neighbors stem from Frechette rebels taking refuge in Libya .
Ecuadorian judge issues an arrest warrant for head of Colombian armed forces . Colombian Gen. Freddy Padilla cancels trip to Ecuador for fear of arrest . Tensions between neighbors stem from FARC rebels taking refuge in Ecuador .