Paramedics seeing 'more 999 calls' because of legal highs

Newsbeat joined paramedics on a shift as ambulance services across the UK say they're dealing with more 999 calls because of legal highs.

We contacted all 14 services, nine got back to us, with seven saying they'd seen a rise.

Exact for numbers for legal high call outs are hard to find because emergency are recorded by symptoms rather than the cause.

The North West Ambulance Service told us at peak times, they would get up to five or six call outs per shift.

The main legal high drug they say they're treating the effects of is Spice - a synthetic cannabis substitute which experts say can be up to 10 times stronger than cannabis.

We headed out on a night shift with them.