Democrats expanded their majority in the US House of Representatives as more results emerged from Tuesday's midterm elections, US media reported on Friday. Democrats had secured 253 seats in the 435-member House, compared with 157 for Republicans, with 25 races still uncalled as of 09:22 GMT on Friday. The party also secured control of the Senate, with Democrats and two independents who caucus with them holding a combined 54 seats, compared with 44 for Republicans. Two Senate races remained undecided. Democrats also held a 28-20 advantage in governorships, with contests in Alaska and Kansas still too close to call, according to US media reports. Democrats flip Republican-held House seats In New Jersey's 2nd Congressional District, Democrat Zack Mullock defeated Republican incumbent Jeff Van Drew, securing 50.8% of the vote against 48.2%, with 97% of ballots counted. In New York's 17th District, Democrat Cait Conley unseated Republican incumbent Mike Lawler with 52.8% of the vote. The Associated Press called the race at 2.12 am EST on Friday. Democrat Kristina Knickerbocker also defeated Republican incumbent Mike Turner in Ohio's 10th District, winning 49.3% of the vote against 47.7%. Read More: How voter anger over Iran war, prices and Israel powered Democratic midterm sweep In North Carolina's 9th District, Democrat Richard N Ojeda II defeated Republican incumbent Richard Hudson with 51.1% of the vote, with 99% of ballots counted. Democrats also flipped Republican-held seats in Colorado and Arizona. Jessica Killin defeated Republican incumbent Jeff Crank in Colorado's 5th District with 50.5% of the vote, while JoAnna Mendoza unseated Republican incumbent Juan Ciscomani in Arizona's 6th District with 52.8%, according to results with 89% of ballots counted. Republicans secure victories in several districts Republicans also retained or won several House seats. In Tennessee's 9th District, Republican Brent Taylor defeated Democrat Justin Pearson, winning 49.6% of the vote against 48.5%, with 99% of ballots counted. Republican Mike Kennedy won Utah's 4th District, defeating Democrat Jonny Larsen with 53.2% of the vote. In Washington's 4th District, Republican Amanda McKinney defeated Democrat John Duresky with 54.7% of the vote. Republican incumbent Anna Paulina Luna also retained Florida's 13th District, defeating Democrat Leela Gray with 49.5% of the vote against 48.7%.