Profile: Egypt's new prime minister Hazem el-Biblawi
Egypt's new prime minister Hazem el-Biblawi previously served as a finance minister and deputy prime minister in the country's interim government after former President Hosni Mubarak stood down in 2011.
According to Egyptian news agency Ahram, the economist resigned over the response to a protest by Coptic Christians which left dozens of the latter dead.
He is also co-founder of the Egyptian Social Democratic Party and served as undersecretary-general at the UN between 1995 and 2000.