Nigeria, Oct. 14 -- The Amnesty International has launched a report chronicling attacks on the press in Nigeria since 2015.

The report, launched in Abuja on Monday, said at least 19 journalists and media practitioners have been attacked in Nigeria between January and September 2019, the highest since 2015.

Six journalists, including bloggers, were arrested in 2018, while four were arrested in 2017, according to the report.

The report says 16 journalists were arrested in 2016. Five were arrested in 2015.

Eight media houses, including Premium Times, have been raided or harassed since 2015, while three journalists have gone into hiding, the report said.

Reasons for the journalists' arrest include exposing corruption, election coverage, ...