Israeli police spokesman Micky Rosenfeld says that he believes the explosion is criminal but can not definitively rule out a political motive. Local media is quoting an eyewitness who says he saw a motorcyclist throw a package towards the car that exploded.
Assassination by bomb has become a favourite method for Israeli criminal gangs to settle disputes in recent years.
More top news
The dad of Luke Jenkins, who died at Bristol Royal Hospital's children's cardiac unit labelled an NHS England review a 'tick-box exercise'.
Conservative heavyweights Boris Johnson and Theresa May are to launch their leadership bids on Thursday.
Michael Sandford, from Surrey, is accused of trying to grab a police officer's gun while asking Donald Trump for his autograph at a rally.