The Tel Aviv municipality on Saturday informed dozens of residents of two apartment buildings in the center of the city that they may return to their homes, days after they were evacuated when the ground suddenly began heating up and emitted steam. Experts who were called in did not detect any dangerous substances at the site or any risk to the buildings’ stability, and the source of the heat was said by the municipality to be "trapped energy" from an unknown source. . . . On Thursday, residents of an apartment building on the northern end of Ibn Gabirol Street...