As emergency workers in Lebanon dig through the rubble in search of Beirut explosion survivors, the Lebanese President Michel Aoun is mulling over declaring a two-week state of emergency.

Lebanon is investigating the cause of the Tuesday massive explosion that sent shockwaves across the city of Beirut, leaving at least 100 people dead and 4,000 others injured. 

Wednesday, August 5 has been declared a day of national mourning. 

Although investigations are still ongoing to ascertain the cause of the explosion, some officials have linked the explosion to 2,750 tonnes of confiscated ammonium nitrate stored in a hanger at the port.

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Reports say the ammonium nitrate had been at the Beirut port for at least six years and senior Lebanese officials were aware of its existence as well as the danger it poses.

INTERNATIONAL COMMUNITY PROVIDES SUPPORT 

Following the Beirut explosions that have caused the death of at least 100 people and injured 4,000 others, countries like Russia, Iran, Cyprus, Malaysia and the UK have offered to send humanitarian aid to Lebanon. 

Russia has announced that it would be sending five planes of medical equipment and a team of doctors to set up a field hospital in Beirut to provide medical aid to the victims of yesterday's explosion, The Russian TASS news agency reported.

According to the Russian Ministry of Emergency Situations, the country would also send a team trained for search and rescue operations, as well as a mobile laboratory to identify cases of Covid-19.

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The Iran President Hassan Rouhani has also offered to send medical aid to treat those injured during the explosion.

"Iran announces its readiness to send medical aid to Lebanon and also offers treatment of the injured and other necessary medical assistance," Hassan Rouhani said, according to state TV.

"We hope that the circumstances of this incident will be determined as soon as possible and that peace will return to Beirut."

The UK, Malaysia, and Lebanon's neighbour, Cyprus are among the countries that have offered to humanitarian and medical aid in the aftermath of Tuesday's explosion. 

Malaysia has commiserated with the Middle East country over the incident. The Malaysian Foreign Minister Hishammuddin Hussein on Twitter expressed his country's grief over the Beirut blast. He also offered to help in "any way we can".

"Malaysia stands together in grief as our thoughts and prayers accompany the strong people of Lebanon," he said. 

The Republic of Cyprus has also expressed its readiness to send medical aid to Lebanon. The country's foreign minister Nikos Christodoulides disclosed this to state broadcaster CyBCthe. It was revealed that the Tuesday explosion was heard throughout neighbouring Cyprus.