Children as young as four years old are among hundreds of young people being sent to specialist drug and alcohol treatment centres.
An investigation by the Press Association found that councils across the UK were referring youngsters to the centres.
Experts said the most common reason children had access to drugs was through their parents.
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Talks at Stormont aimed at restoring power-sharing have adjourned with little sign of the DUP and Sinn Fein reaching an agreement.
On Wednesday, the rain will roll northwards - a few hours of solid rain in the east and over the Pennines.
Jeremy Corbyn has challenged Theresa May to better fund the police and fire services by backing a Labour amendment to the Queen's Speech.