NEW : A second vehicle missing from World Trade Center site is recovered , police say . The White House says there is no new information on a possible plot . The second vehicle , a van , was found in Queens , said NYPD Lt. John Grimple . Police are on the lookout for up to three possible attackers . No evidence exists so far that a plot is under way .
NEW : A second vehicle missing from World Trade Center site is recovered , police say . The White House says there is no new information on a possible plot . Police are on the lookout for up to three possible attackers . No evidence exists so far that a plot is under way .