A 7.4-magnitude earthquake has struck Colombia with the worst of the damage in the city of Pereira and Cali where a hospital has collapsed

People remained trapped in Cali, one of Colombia's largest cities, after more than two dozen structures collapsed, Mayor Alejandro Eder said.

A powerful earthquake, initially measured at magnitude 7.4, has struck Colombia, killing at least 18 people. Tremors were also felt in neighboring Ecuador, as well as in Panama…