London (AFP) – Embattled British Prime Minister Liz Truss on Thursday faced more calls from her own party to step down after a key minister quit and lawmakers rebelled during "a day of extraordinary mayhem". Truss is being urged to resign just six weeks into office after a forced U-turn on disastrous tax cuts that caused a market meltdown during an already severe cost-of-living crisis. Right-wing broadsheet The Times reported the prime minister was "clinging to power", and cited a Truss supporter in her cabinet as saying: "It's terminal." Its tabloid sister paper The Sun ran the front page headline...