Spanish police arrested 12 people Thursday on suspicion of Islamic terrorist activities , authorities said . Those held accused of providing cover for deaths from Madrid train bombings . They also cover involvement in financing and recruiting Islamic terrorism . Madrid train bombings took place on March 11 , 2004 , killed 191 people . The subsequent trial ended in 2007 with the convictions of 23 people .
Those held accused of providing cover for deaths from Madrid train bombings . They also cover involvement in financing and recruiting Islamic terrorism . Madrid train bombings took place on March 11 , 2004 , killed 191 people . The subsequent trial ended in 2007 with the convictions of 23 people .