The Battle of Sidon on June 2013 was part of the Syrian civil war spillover in Lebanon, and involved the Lebanese Army and Sunni militants in the city of Sidon, Lebanon. Clashes between the followers of militant preacher Ahmed Al-Assir resulted in the deaths of 18 soldiers, 25–40 al-Assir gunmen, two civilians, and according to some sources, four Hezbollah fighters. The clashes were the deadliest since the Syria-related internal conflict in Lebanon began in 2011.