Hi guys finished work at 10pm tonight and drove about 20 yards and the car was feeling odd like the handbrake was stuck on, I stop and try the handbrake but it wasnt sticking, drove another 20 yards to lock the gate and on the way back to the car my back wheel looked flat. 
Both my Passenger Tyre caps were missing
I then noticed how the valve inside the rear tyre was gone and I would be unable to put any air back in.
Some pics
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Is it new tyre time or can this sort of thing be fixed?

Both my Passenger Tyre caps were missing

Some pics
1
2
3
Is it new tyre time or can this sort of thing be fixed?