driving other crimes to fund user's habits.

"Synthetic drugs seem to be particularly popular among our young people, who may not fully understand that there's no quality control on this material, and the exact ingredients and strengths are often unknown."

Manufacture and supply of synthetic cannabis went underground after the Government banned retailers from selling of psychoactive substances on May 8, 2014.

Synthetic cannabinoids are chemicals that mimic the 'high' THC in cannabis causes.

The drug had been the driving force behind some Christchurch criminals, including a 38-year-old burglar who had a $200-a-day habit.

Odyssey House youth services team leader Jim Marsters said the drug was popular among 14 to 16 year olds.

Youth who he treated found it more accessible and effective than cannabis, but highly addictive, he said.

"There is a need toThis hapless puppy waited all day outside a shopping mall for his owner to return.

The clever dog stood by the mall entrance checking each person that went inside the building in Mandaluyong City, the Philippines, on July 19.

"I first saw him when I arrived for work in the morning, then he was still on the same spot when I checked out of work,'' said the filmer.

The pooch is understood to belong to one of the workers inside the building who collected him later that evening when they had finished for the day.