KFC has slammed McDonald's in a tweet which echoes US President Donald Trump.

KFC tweet (c) Twitter

KFC tweet (c) Twitter

The fast food chain took to Twitter to slam the rival restaurant chain and the tweet has already been shared more than 5,000 times.

The company wrote: ''McDonald's leader Ronald just stated he has a 'burger on his desk at all times'.

''Will someone from his big shoed, red nosed regime inform him that I too have a burger on my desk, but mine is a box meal which is bigger and more powerful than his, and mine has gravy! #nuclearbutton (sic)''

On Tuesday (02.01.18), Trump took to Twitter to clearly mock North Korean leader Kim Jong Un after he stated he has a ''nuclear button on his desk''.

Trump wrote: ''North Korean Leader Kim Jong Un just stated that the 'Nuclear Button is on his desk at all times'.

''Will someone from his depleted and food starved regime please inform him that I too have a Nuclear Button, but it is a much bigger & more powerful one than his, and my Button works! (sic)''