Yesterday, a massive explosion shook the port in Lebanon's capital, killing at least 100 people and injuring more than 4,000 others.
It's not clear what caused the initial explosion. But the government says it appears the blast was caused by "highly explosive materials", ammonium nitrate, which had been stored at the port for years.
The blast – which could be felt in Cyprus, over 100 miles away – sparked fires, overturned cars, damaged hospitals, and blew out doors and windows.
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