Ahmadinejad endorsed in Iran, and more protest footage from Tehran has started to roll in

More unrest erupted in Tehran today after Ayatollah Ali Khamenei officially endorsed Mahmoud Ahmadinejad for president, despite questions raised about the legitimacy of the election results. Opposition groups have taken to the streets again to protest the endorsement, as Ahmadinejad prepares to be sworn in by parliament for his second term as President on Wednesday.

Here are some of the videos that have come in from today's protests:

Stay tuned for more.