Philippines vows to crush pro-Islamic State groups after two leaders killed

By Neil Jerome Morales and Manuel MogatoMANILA (Reuters) - The Philippines' military chief vowed no letup on Monday in hunting down and destroying extremist groups loyal to Islamic State, saying Marawi City would be retaken within days after the pivotal killing of two top rebel commanders.General Eduardo Ano said the successful operation to take out the two leaders was a "triumph of good over evil" and urged the 30 militants remaining in a shrinking combat zone to surrender and free hostages as