The Last Week Tonight host lampooned the President over his response to Puerto Rico, a US territory ravaged by Hurricane Maria.
John Oliver has called out Donald Trump on numerous occasions, but the weekend’s tirade was particularly scathing.
Oliver began criticising by addressing how Trump doesn’t seem to “understand the gravity of the situation”, playing a clip featuring the President responding to journalists questions.
Half the island’s population, which totals 3.4 million people, are without clean drinking water and only five percent have electricity.