April 15, 2007 (Sunday)
- India's Essar Group buys Canadian steelmaker Algoma for US$ 1.63 billion. (Forbes) (Washington Post) Archived 2012-10-26 at the Wayback Machine
- A nor'easter in the northeastern United States causes flooding and disrupts travel in the region. One person is killed in a tornado in North Carolina and two people die in weather-related car accidents in New York and Connecticut. (New York Times) (AP via ABC News)
- Anti-Putin protesters in St. Petersburg, a part of the Dissenters March coalition, are beaten by Russian police. (Reuters) (National Post)
- Documents revealed under Freedom of Information legislation reveals that NASA paid $26.6 million to families of the astronauts aboard the Space Shuttle Columbia when it disintegrated during re-entry in 2003. (AP via Seattle Post-Intelligencer) (Orlando Sentinel)
- Iran announces plans for two more nuclear reactors. (AP via CNN)
- Iraq War:
- Shiite cleric Moqtada al-Sadr announces plans that his political movement intends to quit the Iraqi government in an attempt to press its demand for a timetable for U.S. withdrawal. (Reuters)
- Two United Kingdom military helicopters collide near the town of Taji near Baghdad killing two soldiers. (AP via CNN)
- Voters in Ecuador go to the polls to vote on a referendum on convening an assembly to draw up a new constitution. Preliminary results indicate a 78% "yes" vote. (BBC)