2007 : Track record of al Qaeda - inspired extremists targeting soldiers . British police uncovered 2007 plot to kidnap and kill a Muslim British soldier . It is not known if there are any links between this plot and the attack . Security forces looking at whether London suspects linked to any groups . British al Qaeda clerics have called those who target western soldiers ' heroes '
2007 : Track record of al Qaeda - inspired extremists targeting soldiers . British police uncovered 2007 plot to kidnap and kill a Muslim British soldier . Security forces looking at whether London suspects linked to any groups . British al Qaeda clerics have called those who target western soldiers ' heroes '