cairo egyptian security force arrest three supporters presidential hopeful former prime minister ahmed shafik security source members party say wednesday men charge spread false information harmful national security two security source familiar incident say condition anonymity egypt interior ministry could reach comment several attempt contact wednesday shafik announce last month intention run president abdel fattah al-sisi egypt upcoming presidential election early next year date set vote former premier ex-air force commander see sisi critics serious potential challenger incumbent arrest members shafik egyptian national movement party one hany fouad arrest family home outskirts cairo brother wael fouad say hany close shafik say security force enter family home around a.m. local time 0100 gmt search house confiscate two mobile phone give reason arrest say sisi yet announce seek second term widely expect shafik make announcement unite arab emirates live exile since 2012 flee egypt narrow electoral defeat former president mohamed mursi muslim brotherhood remove office military takeover lead sisi 2013. shafik return cairo ten days ago say still decide whether run make public appearances since supporters egypt presidential hopeful arrest say security source family