Trump impeachment trial: Five key questions

Donald Trump faces allegations that he incited the violent mob that stormed the US Capitol on January 6 (Evan Vucci/AP)

Arguments begin on Tuesday in the impeachment trial of Donald Trump on allegations that he incited the violent mob that stormed the US Capitol on January 6.

Here are five key questions about what to expect when senators hear the case against the former president in the very chamber that was besieged by insurrectionists.