What is the best way of respawning all players?

In my game, all players respawn after each round, using this loop

for i,v in pairs(game.Players:GetChildren()) do
    if v:IsA('Player') then
        if v.Character ~= nil then
            v:LoadCharacter()
        end
    end
end

While it almost always works flawlessly, on rare occasions this section of the script just seems to freeze. I don't get any errors, but the script doesn't move on after this point, and I know this because the script has a print before and after this loop.

Is there a better way of doing this so it always works? Am I doing something wrong?

Thanks for any help