Unity 5 Spot Light no shadows or break in the light

Hi,

I have placed a spot light in my scene, It's shining away, but when I put objects in front of it there are no shadows cast (based on the spot light, there is from the directional light). Also the objects do not block the light. It just shines through like they don't exist.

I have been trying to get this sorted out for the last couple of hours, A few things I have tried:

• Changing to deferred rendering and back to forward, no change

• Added some light probes

here are some screenshots:

Thanks in advance for any help!