A Turkish court has detained well-known journalist Sedef Kabas for allegedly insulting the country's president.
Kabas was arrested on Saturday in Istanbul and a court ordered her to be jailed ahead of a trial.
The charge carries a prison sentence of between one and four years.
Erdogan spent 11 years as prime minister before becoming the country's first directly-elected president in August 2014 - a supposedly ceremonial role.
His silencing of critics has caused alarm abroad, contributing to frosty relations with the EU, which has stalled Turkey's bid to join the bloc.
Thousands of people have been charged with insulting Mr Erdogan since he became president.