Suspected Meteor Turns Sky Over Portugal an Astonishing Neon Blue

A suspected meteor lit up the sky over Portugal and Spain late Saturday night, prompting witnesses to flood social media with videos of the spectacular blue fireball.

One video, apparently filmed on a driver’s dash-cam, shows a burst of blue light blazing across the sky. Another captures a crowd reacting with awe and dismay as the entire sky turns neon blue while the apparent meteor falls.

Authorities in Viseu, Portugal, told Publico they had been alerted to reports of an object...