At least 21 people were killed after a high-speed train derailed and struck another train in southern Spain on Sunday, according to local authorities and media reports.

Spain woke to flags at half staff on Tuesday as the nation began three days of mourning for the victims of the deadly train accident in the country’s south, while emergency crews continue searching fo...

He called it “a truly strange” incident because it happened on a flat stretch of track that had been renovated in May.