Local media says the collapse had formed a new lava flow that was threatening several nearby towns.

Volcanic Eruption Strengthens on La Palma

Volcanic eruption in Spain's Canary Islands forces evacuations

Molten rock advances across the countryside, slowly enveloping and igniting everything in its path.

Underwater Footage Shows La Palma Volcanic Ash Covering Marine Life

La Palma Volcano Rumbles as It Spews Out Ash and Gas

Spain's La Palma volcanic eruption declared over

La Palma Rocked by 4.8-Magnitude Quake as Cumbre Vieja Eruption Passes One Month Mark