On August 6, according to AFP, at least 137 people were killed and about 5000 people were injured in a violent explosion in the port area of Beirut, Lebanon, on August 4. < / P > < p > according to previous media reports, a violent explosion occurred in Beirut port area on the evening of 4th, local time. The Prime Minister of Lebanon has declared the 5th a national day of mourning, and the government will allocate 100 billion pounds of emergency relief funds. In response to the cause of the explosion, Lebanon’s interior minister Fahmi said the explosion may have been caused by the chemical ammonium nitrate stored in a warehouse at the port several years ago. < / P > < p > at present, the authorities are investigating to find out the exact cause of the explosion. Lebanon’s supreme Defense Council said those involved may face “the highest penalty.”. Lebanon’s media quoted the interior minister as saying it would take five days to investigate the explosion in Beirut.