A man and woman have been shot in front of a seven-year-old boy at their home.
Gardai said the man was making his way into a house on the Cluain Darach estate in Tullamore at about 7pm last night when the attack took place.
The man, aged 32, and a woman were wounded and suffered non-life threatening injuries.
Gardai said a gunman jumped from a car outside the house and fired shots as the man was entering the house with the boy.
It is understood the child is the woman's seven-year-old son.
A car believed to have been used in the attack was later found burned out in Durrow, Co Offaly.
In a separate attack, two brothers were targeted by a gunman in Dublin.
The men, aged 21 and 25, were shot at as they left a flat on the Cromcastle Court estate in Coolock at around 10pm last night.
Their injuries are not believed to be life-threatening.
One of the men was shot in a leg.
Gardai have issued an appeal for any witnesses to either incident to contact them.
Investigating gardai said they have arrested a man in connection with the Tullamore shooting.
The suspect, in his early 20s, was detained in Offaly and taken to Tullamore Garda Station, where he is being questioned under Section 30 of the Offences Against the State Act.