A 16-year-old girl drowned in the River Liffey in the Strawberry Beds area of Chapelizod, Dublin.
The teenage girl from Clonsilla was walking along the side of Wrens Nest Weir when she lost her footing and fell into the river.
Passers-by, firemen and gardaí tried to help her after she became trapped under a large piece of wood.
She was taken to hospital in Blanchardstown but staff were unable to save her.
In Co Down, ten-year-old Daniel Andre died in hospital after being rescued from the River Bann.
It is understood that he was swimming in the river with friends at Hilltown, near Rathfriland, when he got into difficulties shortly before 5pm yesterday.
It is thought he may have been under the water for several minutes before rescuers found him.
He was taken to hospital in Newry and was then tranferred to Belfast but died this morning.
