A 31-year-old man was taken to hospital with serious injuries after the knife attack last month in Musselburgh.
The remarks were allegedly made by the president of Alloa Rugby Club during a speech at an event at Musselburgh RFC.
Ten families received letters, many delivered by sheriff officers, after speaking to the BBC.
The annual race was created in honour of Queen Elizabeth II's platinum jubilee, honouring her favourite breed.
The Scots musician has a busy year with a new album and big shows in Edinburgh and the Highlands.
It means Dunbar, Haddington, Musselburgh and Tranent are set for on-street and off-street charges.
East Lothian Council has said it has little option but to demolish the Brunton Theatre building.
Solicitor John Richardson left money to fund six new homes in Haddington when he died in 1940.
A court heard Brian Thomson, 67, carried out the attack at the former Elsie Inglis Maternity Hospital in 1980.