U.S. Supreme Court justices signaled sympathy on Tuesday toward a bid by two American gun companies to throw out the Mexican government's lawsuit accusing them of aiding illegal firearms trafficking to drug cartels and fueling gun violence in the southern neighbor of the United States.

Do U.S. arms manufacturers bear responsibility for the guns fueling cartel violence in Mexico? Mexico is arguing that case before the Supreme Court.

The Supreme Court seemed likely Tuesday to block a $10 billion lawsuit Mexico filed against top firearm manufacturers in the U.S. alleging the companies have fueled cartel gun violence. Both liberal and conservative justices appeared skeptical that the claims could clear hurdles in U.