Charlie Hilder passed away last month
Charlie Hilder, 66, suffered a heart attack at Lullingstone Castle, in Eynsford, on Thursday, 28 May.
It is believed an altercation took place shortly before he fell ill.
This morning, police arrested an 18-year-old man and a boy, aged 17, on suspicion of manslaughter.
They were detained in Keston, a village in south-east London.
Detective Chief Inspector Ivan Beasley said: “We are continuing to gather information to help us establish the full circumstances leading up to Mr. Hilder’s death and I would like to thank everyone who has provided us with information, so far.
“It remains important we speak to anyone else who may have attended Lullingstone Castle around this time, who have yet to contact the police. This includes visitors who may have taken photographs on their phones, or who may have video footage recorded on vehicle dash cams.
“If you haven’t already done so, please check any devices which may hold crucial information.”
Anyone with information that may assist the investigation should call Kent Police on 01622 604 100, quoting reference 28-1127.
Anybody with video footage can make a report through the Kent Police section of the Major Incident Public Reporting Site.
You can also contact Kent Crimestoppers anonymously on 0800 555111, or by completing an online form.
