A POLICE SWAT team has been seriously injured after their car exploded.The pair were in their police car when the explosion went off in Spaarndam, northeast of Amsterdam, in the Netherlands, at about 6.30pm. Both were badly injured, with one in a serious condition in hospital, local media said.A police spokesman said both officers were taken to hospital. He added the explosion may have taken place after the SWAT team's own device went off. The spokesman, said: "Apparently there was an error." He said squads are usually armed with explosives.It is not yet clear why the SWAT team had been deployed to the area.The scene has been sectioned for for forensic examination.