wah seh!
when i was writing all the things to memorise for the enzyme inducers and inhibitors,
I smelt a weird smell and heard strange noises, commotion just below my block.

so I looked out and saw nothing.
but a really weird and fast moving shadow of a cloud.

I went out of my door and looked up. and saw a unit burning in flames!
plus several few explosions. and the sound of the fire engines coming in.
what a start for my revision.