A Paris webcast of an all-star marathon event about climate change was suspended after the deadly attacks in that city Friday night.
"Out of solidarity with the French people and the City of Paris, we have decided to suspend our broadcast of 24 Hours of Reality and Live Earth," read a statement on the concert's website on Friday night. "Our thoughts are with all who have been affected and the entire nation of France. We send our condolences to the families of those who have been killed or injured."
At least 129 people were killed, 89 at the Bataclan concert hall alone, in a series of shootings and explosions across the city.
Former U.S. Vice President Al Gore was due to host the 24-hour live webcast from the foot of the Eiffel Tower to drum up attention for this month's international climate summit in Paris.
Besides Gore, who helped negotiate the 1997 climate treaty that failed to control global warming, the broadcast was to feature musical performances by Elton John, Duran Duran and others. Other concerts were to be broadcast from locations around the globe, from Rio de Janeiro to Miami, Sydney and Cape Town.
Gore's aim is to raise awareness about global warming a few weeks before world leaders gather for the COP 21 Paris climate summit opening Nov. 30.
French President Francois Hollande and former U.N. Secretary-General Kofi Annan are among other officials scheduled to take part in the event.
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Rock band U2 also has postponed its Saturday night concert in Paris in the light of the deadly attacks. Instead, the band says in a statement that it is resolved to go ahead with the concert "at an appropriate time."