The Christchurch City Council has to remove a new path behind homes in Waimairi Beach because the soil used is contaminated with asbestos. It's removal is expected to cost $285,000. The council only became away the soil was contaminated when a resident presented it with test results showing the asbestos. Residents are worried it could a health concern. Canterbury Medical Officer of Health Alistair Humphrey tells us whether the asbestos is a health concern or not.