Thousands of revellers weave through the streets of Dublin carrying lights as part of the New Year celebrations.
Fire-breathers, stilt walkers, dancers and other street entertainers are leading the People's Procession of Light through the streets to Stephen's Green where the event will culminate with a fireworks display.
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Labour leadership candidate says Britain playing its role in the migrant crisis would help Cameron secure the promised reforms in Brussels.
Ten people have been taken to hospital and another two treated for injuries after a bus crashed into a tree in east London.
Cloudy skies for most as the Bank Holiday weekend begins - with brighter breaks through the south-east, the Midlands and East Anglia.