Colombian president: 'I have learned of events involving the current National Fire Chief, Captain Germán Miranda, in actions that I consider extremely serious and which must be clarified by the competent authorities. For this reason, I have asked the Minister of the Interior, Rodrigo Lara, to immediately declare his appointment invalid. In my government, there will be no leniency toward any conduct that could compromise the transparency, integrity of the public service, or the good name of our institutions'