There should be increased security on such sites, those razakar are not even armed or have access to a handheld metal detector. Just like the Punja Sahib, special branch should be stationed here.
It would be a wise decision considering the disgusting trend that we are facing.
armed or unarmed what difference would it make. The moment the a-hole is stopped by security, he'll explode, and his companions would go running inside and complete the job. Once these nuts are at their mission site, it's nearly impossible to stop them without causing any human casualty. Where you can stop and prevent this is is in it's planning phase, nab them from their rotten holes with strong intel and public input.