Reuters has this from minutes ago:
Large explosion reported at power plant in Connecticut
Sun Feb 7, 2010 12:35pm
A gas line exploded on Sunday at a power plant in Middletown, Connecticut and local media reported dozens of casualties.
The Middletown Press said the explosion was at the Kleen Energy plant. Middletown is 23 miles south of the city of Hartford. The newspaper said on website ambulances and a helicopter were on the scene.
A plant official told a local NBC TV station the facility was a 620 megawatt gas-fired power plant.
No doubt I-91 has to be shut down; it is also within a half-mile (guessing from mapquest) from a shopping mall.
FoxNews reporting that folks in Long Island across the Sound heard the explosion.
Fatalities and multiple injuries were reported Sunday after a massive explosion at a Connecticut power plant, police confirmed to Fox News.
The explosion occurred just before 11:30 a.m. local time at the Kleen Energy plany on River Road in Middletown, Conn., according to authorities.
About 100 people were working at the plant during the time of the explosion.
Dozens of ambulances and fire trucks were on the scene and witnesses said black smoke could be seen for miles.
Police are advising everyone to stay away from the area.