QUITO, Ecuador — Mexico is breaking off diplomatic ties with Ecuador after police broke into the Mexican embassy in Quito to arrest a former Ecuadorian vice president who has sought political asylum there after being indicted on corruption.

Mexico’s President Andrés Manuel López Obrador made the announcement Friday evening after Ecuadorian police forced their way into the Mexican embassy to arrest Jorge Glas who has been residing there since December, as a diplomatic rift between the…