Hometown gigs were in doubt due to difficulties adapting the tour stage to Irish venues
U2 frontman speaks about the refugee crisis facing the region
Speaking during U2's Turin concert, Bono admits "we don't know the answer", but emphasises leadership
Clip available to watch via Facebook for 24 hours
Band give interview to hosts Scott Aukerman and Adam Scott
The Boss joined Bono and co onstage for 'I Still Haven't Found What I'm Looking For' and 'Stand By Me'
Guitarist and bassist play two songs with U2 tribute band in New York
Paul Simon also joined the band at Madison Square Garden show in New York
The band are currently in the middle of an eight-date residency at Madison Square Garden
Singer joins charity campaign to provide better eye care