While China's leaders vow to fight Donald Trump's trade war with economic and political power, an army of online users is waging a parallel battle: one built on memes and mockery.

While China's leaders use their economic and political might to fight Donald Trump's trade war "to the end," its army of social media soldiers are embarking on a more humorous campaign online. The US president's tariff blitz has seen Washington and Beijing impose eye-watering duties on imports from the other,