The fourth Saudi relief plane, operated by the King Salman Humanitarian Aid and Relief Center (KSrelief), arrived in Beirut today carrying food, shelter, and medical supplies.The assistance is an implementation of the directives of Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud and His Royal Highness Prince Mohammed bin Salman bin Abdulaziz Al Saud, Crown Prince and Prime Minister.The fourth aid aircraft is in keeping with Saudi Arabia's historic role in supporting the brotherly Lebanese people in times of crisis.Source: Saudi Press Agency