Here are our picks for the top local stories to start your day:

View Photo Gallery: The Rangers beat the Capitals, 2-1, in triple overtime to take a 2-1 lead in their Eastern Conference semifinal series.

Rangers upend Caps in epic Game 3. After nearly 115 minutes of play, the Rangers’ Marian Gaborik scored a game-winning goal in the third overtime period, giving New York a 2-1 series lead.

Rapes shake up Hyattsville area. Police say a string of attacks against six women on or near Northwest Branch trail may be the work of two men.

Fates of Potomac, Anacostia rivers entwined. Though the rivers are benefiting from a growing awareness of pollution, more work remains.

The National Zoo’s newest star. Washington’s pandas get plenty of attention, but now an elephant with an ear for music — and a knack for the harmonica — is ready to take the spotlight.

Coming up on PostLocal:

— The Prince William County mother who helped barricade her three children in a room with drywall is scheduled to be sentenced Thursday.

— Harry Thomas, the former D.C. Council member who admitted to stealing more than $350,000 in taxpayer funds, also is scheduled for sentencing Thursday.

— Party planning: This weekend is Cinco de Mayo, the Kentucky Derby, and the Supermoon. The Going Out Gurus chat live at 1 p.m. about spring events, local entertainment and more.

View Photo Gallery: After years of neglect, the Anacostia joins the Potomac River as a focus of major cleanup efforts. Although both rivers remain in poor condition, there are hints of improvements.