Story highlights The vice president says 28 people are dead and calls for evacuations

The Pacific Tsunami Warning Center cancels the warning for other countries

(CNN) At least 28 people have died in a magnitude-7.8 earthquake that was centered near the coast of Ecuador, the country's vice president, Jorge Glas, told the nation Saturday night in a televised address.

Glas said a state of emergency was now in effect and added that preventive evacuations in coastal areas were underway because of possible tsunami risks.

In Guayaquil, Ecuador's most populous city, emergency personnel recovered one body from the scene of a bridge collapse, a police officer told reporters with Ecuadorian TV stations.

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Elsewhere in the city of 2 million people, shoppers were shaken by the quake. Video from a store showed kitchen utensils and pans hanging from an end cap swinging slightly back and forth and some items falling off shelves.

The lights in the store go out and alarms go off.

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