52 killed on three London subway trains and bus by four Al Qaeda-inspired suicide bombers.
Charlie Hebdo magazine offices in Paris are bombed after it publishes caricature of Prophet Muhammad. No injuries.
16:49 Family pays tribute to American slain in terror attack11
12:24 WhatsApp's privacy protections questioned after terror attack12
02:01 U.S. airstrike kills al-Qaeda leader responsible for deaths of two Americans, Pentagon says22
10:31 Two suspects under formal investigation over Paris airport attack27