8/10. The Environment Agency responds to a major incident after several canisters containing a deadly chemical weapon, mustard gas, are dumped in a lake. Also in HD. [S]
7/10. Officers crack down on coach drivers who are driving when they are too tired. Also, the new technology being used to stop garden sheds being illegally rented out as homes. Also in HD. [S]
6/10. Officers swoop on an illegal sweatshop suspected of being a major supplier of counterfeit clothing and track down a cowboy builder who almost destroyed a family's home. Also in HD. [S]
14/15. Enforcement officers crack down on shops selling knives to under-18s, and former EastEnders actress Brooke Kinsella talks about her brother Ben, who was stabbed to death. [S,SL]
12/15. Enforcement officers battle to keep the roads safe as four people lose their lives when a lorry driver using his mobile phone ploughs into them. [S,SL]
11/15. Enforcement officers crack down on the travel agents conning families out of thousands of pounds, and they investigate online traders dealing in dangerous body-building drugs. [S,SL]
9/15. Enforcement officers investigate the death of a seven-year-old girl when the bouncy castle she was playing on was swept away by a gust of wind. [S,SL]
1/15. Enforcement officers crack down on a company that designed a cot that almost cost a baby its life, and a water company is caught polluting a river with raw sewage. [S,SL]