Getty Images video via Facebook- from the red carpet can be seen below. If more appear I'll update this post. Daniel also signed a Harry Potter costume gift set at the premiere for J.K. Rowling's charity Lumos.
Update: 18th August 2014. Premiere press conference videos added below. Here's another full video.
Update: 9th October 2015. ITV news interview.
Update: 14th March 2017. The signed Harry Potter costume set raised $500 a year ago at the fundraising event. With thanks to Celebrity Charity Cinema for sharing the info with danieljradcliffe.tk.
ITV News Live from the red carpet:
picture source: Ian Gavan, Dave J Hogan