Northern Ireland marks 25th anniversary of historic Belfast Agreement

It’s now been 25 years since the landmark Belfast Agreement brought peace to Northern Ireland, following two decades of violence that killed more than 3,500 people. But leaders say the U.S.-brokered deal was only a small step forward. Redmond Shannon looks at what’s changed since 1998, what hasn’t, and what’s complicated things.

• Northern Ireland marks a major peace milestone as police warn of violence