With more than 50% of votes counted, the four opposition parties led by Social Democratic leader Magdalena Andersson had a narrow lead against Prime Minister Ulf Kristersson's right-wing alliance. A shock analysis contradicts exit polls and holds out hope to PM Ulf Kristersson that he could cling to power with help from the far right. Key points and original sources are listed below.

• With more than 50% of votes counted, the four opposition parties led by Social Democratic leader Magdalena Andersson had a narrow lead against Prime Minister Ulf Kristersson's right-wing alliance. Experts predicted that the race could go down to the wire.S1

• A shock analysis contradicts exit polls and holds out hope to PM Ulf Kristersson that he could cling to power with help from the far right.S2