Martin Cosser, from Surrey, wants more people to speak up after his son was fatally stabbed.
The teenager was stabbed three times in the chest in a marquee at a party in 2023.
Broadcaster Gyles Brandreth says the service at Guildford Cathedral was "deeply moving".
The coffin of the late Dame Penelope Kieth is set to be walked through Milford, her home town.
A home in Milford has a significant private collection of Alfred Bestall's unpublished drawings.
Martin Cosser, whose son Charlie was murdered, says he is hoping to speak with Henry Nowak's family.
Martin Cosser campaigns for more support for young people after his son was fatally stabbed in 2023.
The Hindhead Tunnel reopens after an earlier crash involving motorcyclists, National Highways says.
