Security forces in Afghanistan are on high alert after an attempted suicide attack.<br/> <br />The bomber drove this vehicle loaded with explosives in an affluent suburb of Kabul near several embassies.<br/> <br />Afghan intelligence officers shot the would-be suicide bomber dead around 9 am, police said.<br/> <br />(SOUNDBITE) (Dari) MOHAMMAD DAUD AMIN, DEPUTY KABUL POLICE CHIEF, SAYING:<br/> <br />"Fortunately before he reached his target he was recognized by our security forces and shot dead," says the deputy police chief.<br/> <br />The failed attack suggests insurgents are shifting tactics, testing Afghan security forces in Kabul after a series of high-profile attacks on Western targets last year.<br/> <br />It comes the same morning as bombings the Taliban claimed responsibility for in Jalalabad and Logar, which left three dead.