ROME (AP) — Firefighters worked to rescue a worker trapped for hours beneath rubble in a medieval tower that partially collapsed during renovation work in the heart of Italy's capital Monday, critically injuring another worker.

Rescuers faced a complex task as they tried to use a first-floor window to get near the trapped worker, who officials said was alive. But they were forced to retreat on telescopic aerial ladders in a cloud of debris as the structure continued to give way. Another approach on two ladders was also aborted, and a drone sent up in their stead.

As dusk approached, firefighters lifted on a crane used giant tubes to suck rubble out of the second-floor window. They continued the work late into the night.

Rome Mayor Roberto Gualtieri told reporters Monday evening that the

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