The US Supreme Court ruled on Wednesday that Tennessee could proceed with Pike's execution by lethal injection for murdering a schoolmate as an 18-year-old three decades ago. Tennessee woman Christa Pike was in a hospital on Thursday after authorities "failed" to carry out her execution. Key points and original sources are listed below.

• The US Supreme Court ruled on Wednesday that Tennessee could proceed with Pike's execution by lethal injection for murdering a schoolmate as an 18-year-old three decades ago.S1

• Tennessee woman Christa Pike was in a hospital on Thursday after authorities "failed" to carry out her execution.S2

• The US Supreme Court rejected an application for a stay of execution on Tuesday.S3

• WASHINGTON — Tennessee woman Christa Pike was in a hospital Thursday after authorities “failed” to carry out her execution, her lawyers said, with witnesses reporting the convicted murderer was breathing despite the injections intended to kill her. Just hours...S4