Driving in a car, at a blind spot in the road, Walter honks his horn three times. Two blocks away, an eld believes the horn is an air raid siren and suffers a heart attack. Is Walter liable for her heart attack?

Yes, because his honking caused her heart attack.

Yes, he committed an intentional tort.

No$,$ her reaction would not have been reasonably foreseeable, so there is no proximate cause.

Yes, he had a duty not to honk.