-7- D. Immediate observations under Article 8, paragraph 5, of the Convention 9. In the course of the 2011 visit, the delegation made a number of immediate observations under Article 8, paragraph 5, of the Convention3 relating to the conditions of detention of irregular migrants. The observations were conveyed to the Greek authorities in writing, who were requested to provide the CPT:  as regards Aspropyrgos Police Holding facility for aliens, by 28 January 2011, with confirmation that a medical screening of all the persons currently detained in this facility had been organised;  as regards Feres, Soufli and Tychero police and border guard stations, by 4 February 2011, with confirmation that all detained persons: -  are provided with at least one hot meal every day, which is of sufficient quantity and nutritious value; are offered a hot drink at least once a day during winter months; are provided with sufficient hygiene products; as regards Filakio Special holding facility for illegal immigrants, by 11 February 2011, with confirmation that: - all families with children are accommodated in a facility which can offer decent conditions in terms of space, hygiene, lighting and ventilation, adequate food and health care; - every detained person is offered at least one hour of outdoor exercise every day, and juveniles are offered even more; - the quantity and nutritious value of the food provided to all detained persons is increased, and in particular as concerns young children and juveniles; - the toilets are unblocked, and the flushing systems and sewage pipes repaired in order to stop the flooding in the sanitary facilities and in the cells; - each detained person is guaranteed his own bed and mattress;  as regards the Feres, Soufli and Tychero police and border stations, by 28 February 2011, with confirmation that: - 3 a full medical examination is carried out on all detained persons in the three abovementioned facilities, and in particular at Feres and Tychero police and border Stations; all juveniles currently held in these three police detention facilities have been removed and placed in an appropriate juvenile institution for as long as they are deprived of their liberty; the sanitary facilities at Soufli and Tychero stations are sufficient to meet the needs of the number of detained persons held there; the sanitary facilities in the male section of the detention centre at Feres police and border station are being refurbished. Article 8, paragraph 5, reads as follows: “If necessary, the Committee may immediately communicate observations to the competent authorities of the Party concerned.”