New Delhi, March 19 -- Peru's prime minister resigned Tuesday ahead of a mandatory vote in the nation's Congress, where she needed a majority of legislators to confirm her recent appointment.

Denisse Miralles was appointed as prime minister in late February, after Interim President Jose Jeri was removed from his post following corruption allegations and replaced by congressman Jose Maria Balcazar.

In Peru, prime ministers coordinate the implementation of government policies, but they are not elected into office and do not lead the executive branch, which is headed by the president.

Miralles, the former economy minister under Jeri, did not say why she resigned. However, she informed journalists that she was uncertain she could secure th...