The United States .. a "big" explosion rocking the city of Houston

It is not clear what caused the explosion.

A huge explosion rocked the American city of Houston, Texas, early Friday, according to American media, and the sound of many residents awakened before dawn.



The local "Houston Chronicle" reported that the police rushed to the site of the blast, and asked all drivers to avoid the area in the west of the city.

Police in Houston, Texas, said, on Twitter, that the explosion occurred northwest of the city. Did not reveal the details of what happened.

Local media reported that the explosion occurred at about 4:25 a.m., and a number of residents reported that their windows were broken, and at least one injured was seen.