By Max Hunder and Jonathan Landay KYIV (Reuters) -Russia rained cruise missiles on busy Ukrainian cities on Monday in what the United States called “horrific strikes”, killing civilians and knocking out power and heat with its most widespread air attacks since the start of the war. Missiles tore into intersections, parks and tourist sites in the capital Kyiv and explosions were reported in Lviv, Ternopil and Zhytomyr in western Ukraine, Dnipro and Kremenchuk in the centre, Zaporizhzhia in the south and Kharkiv in the east. Ukrainian officials said at least 11 people were killed and scores inju…