A sniffer dog is carried while taking part in the search for survivors at a flattened building in Mexico City in the early hours of the morning on September 24, 2017, five days after the devastating quake that hit central Mexico. A strong 6.1 magnitude quake shook Mexico on Saturday, causing panic in traumatized Mexico City, where rescuers trying to free people trapped from this week's earlier earthquake had to temporarily suspend work. / AFP PHOTO / Omar Torres