unattended

Faulty wiring, say, or an unattended pot left on the stove.

She was walking back to her north Belfast home with her six-year-old chihuahua, when Chica was grabbed and pulled out of her harness by two unattended, aggressive dogs.

It also cited previous cases of theft when customers left belongings unattended, calling the new guidelines "a step toward a more comfortable store environment".

In the messages, Compton described it as a great idea, commenting he would like to go to a "hippy one, where lots of drugs consumed leaving unattended girls".

If left unattended these conditions can become life-threatening.