NEW : Missouri Senate 's vote falls one short of the two thirds majority required . Missouri 's Senate voted to repeal the governor 's veto . Saint Louis police department is against the bill . Author of the bill says it protects Second Amendment .
NEW : Missouri Senate 's vote falls one short of the two thirds majority needed . Missouri 's House voted to override the governor 's veto . St. Louis police chief is against the bill . Author of the bill says it protects Second Amendment .