The speech comes in the same week Trump’s campaign has been rocked by a slew of shocking claims, including a tape in which Trump boasts his fame allowed him to "grab women by the pussy".

Footage has also emerged of a 46-year-old Trump (he is now 70) speaking to a girl believed to be around 10 years old before announcing to the camera: "I'm going to be dating her in 10 years. Can you believe it?"

With less than four weeks until the US elections, multiple claims of the candidate's inappropriate sexual behaviour have surfaced one by one.

In her speech, Obama told the audience: “I have to tell you that I can't stop thinking about this."

“Strong men don’t need to put down women”: Michelle Obama slams Trump in impassioned speech