Ibrahim Halawa has been on hunger strike in an Egyptian prison for a month now.
The teenager, from Firhouse in Dublin, is refusing food until he is released, and is urging the Irish Government to intervene.
Today marks the 30th day of Ibrahim's hunger strike.
He has been told his trial will now take place on 15th December - but it has already been adjourned nine times.
Ibrahim Halawa was one of almost 500 protesters arrested at a Cairo mosque in the summer of 2013, during a military coup that led to the fall of the democratically elected Mohammad Morsi.
Reprieve, a human rights organisation, has said Halawa has been subjected to torture while in prison, including beatings and solitary confinement.
Ibrahim's lawyers say he faces murder charges and execution if found guilty.
In a handwritten letter to his mother explaining the reasons behind his hunger strike, Ibrahim wrote that “in Egypt you must pay your life in order to be released... This is the place where experimental torture is practiced, this is the place once you’re in there is no out".
Sinn Féin MEP Lynn Boylan says the Egyptian justice system is flawed:
