Iraq, U.S. launched investigations into airstrikes that hit Mosul.
Lawsuit seeks unspecified monetary damages from Iran.
Police barred civilians from the area.
London attack latest in series to hit Europe.
At least 100 killed in strike that had targeted ISIS militants.
Police were unable to specify what the robbers had stolen or how valuable it was.
Khalid Masood had a work visa both times.
Attack killed 16, wounded more than 50.
11 arrests made during investigation.
Turkish media reported that 11 migrants died after a boat sank in the Aegean.