Mentally ill man had begged doctors for help hours before he killed his sister

A mentally ill man stabbed sister to death on the day he called a surgery begging doctors to help him, a court heard. The family of Andrew Cunningham, 62, were terrified of him but he was still looking after their frail mother Margaret, 86. Cunningham, who was on medication, would stop his five siblings visiting the flat he shared with his mother in Greenland Quay, Surrey Quays, southeast London, and had made threats against them all, the Old Bailey heard….