This post is part of our special coverage of Egypt Protests 2011.

Image by Antonio Ordóñez Forero CC By

Twitter has played an instrumental role in keeping the world abreast of the latest developments in Egypt, where demonstrations against the 30-year rule of president Hosni Mubarak have entered their fourth day.

The following widget shows Twitter content mentioning the hashtag #jan25 over the last three days, and are all related to terms mentioned in people's Twitter messages:

One of the most commonly shared terms ‘Tear Gas’ spiked earlier today when the armed forces utilized tear gas bombs, along with rubber bullets, against the crowds in the streets:

Al Jazeera has been playing a key role in covering the events as they unfolded, broadcasting live from Cairo:

The United Arab Emirate's @sultanalqassemi is one of the key Twitter users spreading realtime updates from across Egypt:

As the effects of the demonstrations spread across the region, we see a huge spike in Twitter data because of an unconfirmed claim that Internet has been blocked in Syria:

Stay tuned for more stories, reactions and analysis from Egypt.

This post is part of our special coverage of Egypt Protests 2011.