Colombia has announced it will raise import tariffs on Ecuadorian goods to 100 percent, matching a rate Ecuador imposed just one day earlier, as a deepening trade and diplomatic dispute between the two neighboring nations escalates. The standoff is fueled by Ecuador's accusations that Colombia has failed to curb drug trafficking across their shared border, as well as clashing political positions over jailed former Ecuadorian Vice President Jorge Glas, whom Colombian President Gustavo Petro has called a "political prisoner." Colombian Trade Minister Diana Morales said all diplomatic channels had been exhausted, making retaliatory tariffs unavoidable, with the measures taking effect immediately. Based on: Al Jazeera English