Lebanese authorities arrested 16 people on Thursday in an investigation into Tuesday's devastating explosion.

Talks were also held with dozens of officials from the port and customs and maintenance staff who worked in the exploded warehouse.

Lebanese President Michel Aoun announced on Wednesday that an investigation committee has been established. It should come with names of those responsible for the disaster within four days, the president said.

The missing people are searched for under rubble

Relief in the affected area will start more on Thursday. The missing people are searched for under the rubble. Military personnel and members of the Lebanese Red Cross, among others, have been raided. The Netherlands has sent a rescue team with more than sixty specialists.

According to the latest known figures, at least 135 people died and thousands more were injured. Dozens of people are still missing; an exact number is not known.

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Beirut explosion leaves victims, crater and massive havoc

A quarter of a million people are homeless

Tuesday's explosion wreaked havoc. Several buildings have been completely destroyed. According to Beirut Governor Marwan Abboud, about a quarter of a million people have been made homeless.

The explosion took place in the port of Beirut. Since 2014, more than 2,700 tons of ammonium nitrate were stored there. The port officials involved in the storage and security of the ammonium nitrate have been placed under house arrest.

Because of the disaster, the state of emergency will be in the next two weeks in Beirut, the government decided on Wednesday. This means that the military is temporarily concerned with security in the capital.