Denmark's caretaker prime minister, Mette Frederiksen, has again been called on to lead negotiations to form a government, after two rounds of failed coalition talks following inconclusive elections in March.

Sunday marks two months without a government in Denmark, the longest in Danish history.

Denmark's caretaker prime minister, Mette Frederiksen, has again been called on to lead negotiations to form a government, after two rounds of failed coalition talks following…