A number of improvised explosive devices exploded early Wednesday in several metro stations in Cairo, Al-Ahram's Arabic news website reported. A minor explosion in the Shoubra Al-Kheima metro station injured one, while two others were injured in the Ghamra and Hadayek Al-Qoba stations. Metro stations have been brought to a complete standstill as Egypt's interior ministry has declared maximum alert. More to follow http://english.ahram.org.eg/News/104699.aspx