What to watch in Tuesday’s Maryland US Senate primaries

WASHINGTON (AP) — Topping the list of contests in Tuesday’s primaries in four states is a U.S. Senate race in Maryland that has further complicated Democratic efforts to keep control of the narrowly divided chamber this fall.

The Associated Press will declare winners in both the Democratic and Republican primaries for Maryland’s U.S. Senate seat once it can determine that a trailing candidate can’t close the gap and overtake the vote leader.

Here are the primaries at a glance:

U.S. Senate from Maryland...