The UK economy grew at a faster pace than first thought in the final three months of 2021 despite the spread of the Omicron variant of coronavirus, according to official figures. The Office for National Statistics (ONS) said economic growth accelerated to 1.3 percent in the fourth quarter of the year, compared with the initial estimate of 1 percent. It marked a bounceback on downwardly revised growth of 0.9% in the third quarter of last year. In a sign of the impact of rising prices, household savings fell to their lowest since the start of the pandemic, with the ratio at 6.8 percent in the fourth quarter. The ONS said gross domestic product (GDP) is now 0.1 percent below where it was before the pandemic. But revisions to GDP figures for the past two years means the economy increased by 7.4 percent in 2021—still a record rebound, but lower than the 7.5 …