Phil bryant signed a law monday banning sanctuary cities and other policies that might help people who have entered the country. (ap) — mississippi gov. Phil bryant has signed a law banning sanctuary cities and other policies that might help people who have entered the country illegally. Proponents argue that sanctuary cities provide a safe haven. Webthe city's alleged violation of federal immigration law could lead to the withholding of state grants and funding, if legislators add more teeth to a current so. Phil bryant is signing a law banning sanctuary cities and other policies that might help people who have entered the country illegally. (ap) — the mississippi house advanced a bill to ban immigration sanctuary policies. Senate bill 2710 says cities, state agencies and public.