Among those are 47 Saudis , 51 Yemenis , one Somali , one Bangladeshi and one Eritrean . Ministry claim accused plotted attacks on police , strikes against oil installations . Arrests linked to 2009 attack on police unit by Saudis disguised as women . Two suicide cells linked to al Qaeda , Interior Ministry says . - May :
Ministry claim accused plotted attacks on police , strikes against oil installations . Arrests linked to 2009 attack on police unit by Saudis disguised as women . Two suicide cells linked to al Qaeda , Interior Ministry says . - May :