TNT

Put the summary of the bug you're having here

*What I expected to happen was that i can let a TNT block explode but is doesnt do anything ??
Describe what you thought should happen here

*What actually happened was nothing ?
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. Please put an weapon to let the TNT block explode.