A jury in the trial of a 20-year-old Dublin man accused of murder today heard that the accused told his friend: "I don't know what to do. My head is f**ked up. I don't know what to do".

The State Pathologist today told the jury at the case of a Dublin man accused of murder that the deceased died from "a single stab wound to the left chest".

A jury in the trial of a 20-year-old Dublin man accused of murder today heard that after the accused allegedly stabbed his victim he ran from the scene and continued drinking into the early hours of the morning.