They've both endured the agony of needlessly losing their sons to drug addiction. Today they joined forces to try to prevent other mums suffering they way they have. Elizabeth Burton Philips lost her son Nick in 2004. He'd been addicted to heroin for five years.
Gail Pitts's son, also called Nick, died in 2007 from drug addiction. They are giving their backing to a police campaign aimed at tackling drug-related violence and reducing the demand for drugs in the long term. Martin Dowse will have a report later.