By Zara Woodcock BBC newsreader Moira Stuart ‘fell to the floor’ while attending Angela Rippon’s party. The bash was held at the Hilton Hotel on Park Lane on Sunday night, but the 79-year-old newsreader suddenly fell ill and collapsed to the floor by the bar. Louise Minchin and Michael Buerk rushed to help her and an ambulance was called ‘just in case’ it was needed. “It all happened very quickly and out of nowhere, Moira, who was standing at the bar, had fallen to the floor,” an insider claimed. “She was looked after by Louise and Michael and an ambulance was called just in case.” They said s…