cairo egyptian security force arrest 12 suspect members islamist militant hasm movement province fayoum 60 km 40 miles south cairo interior ministry say tuesday ministry statement say police also confiscate number weapons explosive devices hasm group emerge last year claim several attack security force include fatal shoot policeman injuries three others province egypt accuse hasm militant wing muslim brotherhood country old islamist movement cairo outlaw 2013. muslim brotherhood deny say strive peaceful political change insurgency lead islamic state militants egypt rugged sinai peninsula kill hundreds soldier policemen since egyptian military overthrow president mohamed mursi muslim brotherhood mid-2013 although official death toll release date attack increasingly move mainland recent months target coptic christians well security officer checkpoints around major egyptian cities egypt security force arrest 12 suspect militants south cairo ministry