A massive blast in the Lebanese capital Beirut has left at least 50 people dead and 2,750 others injured, the country's health minister said Tuesday.
A fire at a warehouse with explosives at the Port of Beirut led to the massive blast which tore down a three-story building and was heard across the city and its suburbs.
Footage shared on social media showed smoke from the fire, followed by a large mushroom cloud.
The warehouse stored explosives that had previously been seized, Lebanon's police chief said.
Local media claimed that the number of casualties is much higher than the official figures announced by authorities.
Lebanese Prime Minister Hassan Diab said that those responsible for the incident will be brought to account.
Describing the the incident as a "disaster", Diab urged all friendly countries to provide emergency assistance to the country.
Lebanese President Michel Aoun assembled the High Defense Council at the Baabda Presidential Palace in the capital following the explosion.
Aoun instructed all armed forces to conduct patrols in the affected districts of the capital and suburbs to control security, the Lebanese Presidency said in a statement.
He also asked to provide first aid to the injured people at the expense of the Health Ministry, and to provide shelter for victims who were displaced as a result of the huge damage to property.
Former Prime Minister Saad al-Hariri -- who lives near the area of the explosion -- is said to be unharmed, according to initial reports. However, nearby buildings, including Al Hariri's residence and the Beirut Rafic Al-Hariri International Airport, suffered major damage.
People are trapped under the debris as rescue workers try to reach them.
Beirut Governor Marwan Abboud, who broke down in tears while speaking to reporters at the blast site, compared the explosion to the horrific nuclear bombings of the Japanese cities of Hiroshima and Nagasaki that instantly killed hundreds of thousands of people.
Kazakhstan's ambassador to Beirut was injured and the embassy building was damaged, according to a statement.
Also, Nazar Najarian, the leader of Lebanon's Kataeb Party, died of wounds from the blast.
The explosion came at a sensitive time days before the UN’s Special Tribunal for Lebanon is to announce its verdict in the assassination case of former Lebanese Prime Minister Rafic Hariri.
Later in the day, sources close to Hezbollah denied the allegations that the explosion in Beirut was an attack by Israel on their own weapon depots.
Israeli officials, who spoke to local media on condition of anonymity, denied Israel's involvement in the incident, saying the explosion could have been an accident.
Lebanon's economy is currently facing its worst crisis in decades.