Bombs were made from over the counter ingredients
It’s highly volatile, can be reasonably easily prepared from ingredients available over the counter in chemists and hardware shops, and cannot be detected by sniffer dogs.
TATP, or acetone peroxide, is produced by mixing hydrogen peroxide, which is found in hair bleach, acetone, found in nail polish removers, and sulphuric or hydrochloric acid, or drain cleaner.
