File photo
An 18-year-old man has been charged with attempted murder in connection with the London tube attack, the police said on Friday.
Ahmed Hassan, of south London's Surrey, will appear at Westminster Magistrates' Court Friday afternoon, when he will also face a second charge under the Explosive Substances Act, the BBC reported.
Three other men, aged 25, 30 and 17, respectively, remained in custody.
Thirty people were injured last Friday when a bomb partially exploded on a District line Underground train.
Award-winning photos show poverty reduction achievements in NE China's Jilin province
People dance to greet advent of New Year in Ameiqituo Town, Guizhou
Fire brigade in Shanghai holds group wedding
Tourists enjoy ice sculptures in Datan Town, north China
Sunset scenery of Dayan Pagoda in Xi'an
Tourists have fun at scenic spot in Nanlong Town, NW China
Harbin attracts tourists by making best use of ice in winter
In pics: FIS Alpine Ski Women's World Cup Slalom
Black-necked cranes rest at reservoir in Lhunzhub County, Lhasa
China's FAST telescope will be available to foreign scientists in April
