In pictures: Huge earthquake rocks Mexico20 September 2017ShareSaveShareSaveReutersIn central Mexico, the army has been deployed to help the rescue effort, which has been continuing through the nightReutersAcross Mexico City, teams of rescue workers and volunteers clawed through the rubble with picks, shovels and their bare handsAFPHundreds of volunteers joined emergency services in the search for survivorsAFPThe quake struck at lunchtime, sending people fleeing through the streetsAFPThe tremor created holes in the sides of multi-storey buildings in the capitalEPACars were buried in rubbleAFPAbout two million people in the capital were left without electricity and phone lines were downReutersThe quake comes just over a week since another killed 90 people