People online are trying to figure out what made a laundromat dryer explode with such force that it knocked out the front of the building. Security camera footage shows a customer leaving the laundromat, located in Spain. A few seconds later, one of the dryers, which had been tumbling a load of clothes, blows up in a fiery explosion.
… Twitter has been filled with speculation regarding the cause of the explosion. Among the suggested culprits are lint, lithium batteries, shotgun shells, C4, grease-saturated clothes, gas leaks, and even a butane lighter.