A six-car pile-up has caused traffic chaos on the M50 motorway in Dublin this morning.
The crash, which happened just before 6.30am near Lucan, has completely blocked the southbound section of the motorway, causing tailbacks of several kilometres.
The northbound section has also been reduced to just one lane to allow the emergency services get access to the scene.
Motorists are being advised to completely avoid the area at all costs and to expect delays on all commuter routes that connect with the M50.
It is unclear if anyone was killed or seriously injured in the crash.