More than 150 gravestones which are at high risk of falling over are to be laid down by specialists from next week. This follows testing of memorials in West Norfolk Council’s operational cemeteries and various closed churchyards last year. During those inspections, 172 memorials assessed were deemed to be high-risk. The borough council’s assistant director of operations and commercial services, Martin Chisholm, said: “We are obliged to check these memorials and, where necessary, to make them safe. “Where we have identified that a memorial is at risk of falling, we have made every effort to co…