A court sentenced five people to prison for planning attacks on the US Navy base, Safriya palace, and Gudaibiya palace; using hot air balloons to disrupt aviation; and trying to help wanted Bahrainis to escape into Iraq. The cell allegedly plotted with fugitive terrorist Abdulraouf Al Shayeb. Six members of the so-called Al Ashtar Brigades were jailed for detonating a car in 2013 near Budaiya Garden. A court also sentenced four people to life terms, and another to 10 years in prison, for trying to disrupt an F1 Grand Prix race in 2013.