A US federal appeals court has rejected a request for four Oklahoma death row inmates to stay their executions while they challenge the state’s lethal injection protocols.

The lethal injection ended a six-year moratorium on executions in Oklahoma that was put in place following a series of flawed executions.

US President Joe Biden will take part in an event commemorating mass lynching of Black people in Tulsa 100 years ago.

A 25-year-old Oklahoma man was charged with murder Wednesday in the killings of his brother and five young children, police said.

US president and his vice president cancel planned outdoor addressed at a Tulsa campaign rally in face of low attendance.

For African-Americans in Tulsa, Oklahoma, Trump's visit evokes painful legacy of 1921 massacre by a white mob.

The Oklahoma City Police Department releases body camera footage of a 2019 arrest showing a black man being pinned to the ground by three officers and saying "I can't breathe," with an officer replying "I don't care." The man dies in custody soon afterwards.