How do I make it so when you click a block it kills everyone with an explosion?

in console it says Workspace.Part.Script:5: attempt to index nil with 'HumanoidRootPart' its a regular script help would be appreciated thx

clickdetector = script.Parent.ClickDetector
clickdetector.MouseClick:Connect(function()
	local players = game.Players:GetChildren()
	local explosion = Instance.new("Explosion")
	explosion.Position = players.Character.HumanoidRootPart
	explosion.Parent = players.Character.HumanoldRootPart
	players.Character.HumanoidRootPart:Destroy()
end)