A man accused of killing a 20-year-old mother and her 4-month-old son in an apparent drive-by shooting has been arrested, officials said.

Puerto Rico is still recovering from Hurricane Maria -- nearly seven years after the powerful Category 4 storm caused extensive damage to the island's infrastructure.

The woman was swimming with two friends off Condado Beach in San Juan when all three tourists got caught in the rip currents on Sunday, the U.S. Coast Guard said.

Ernesto has become a Category 1 hurricane Wednesday after hitting Puerto Rico overnight and leaving power outages and flooding in its wake.

Tropical Storm Ernesto is taking aim at Puerto Rico, where a tropical storm warning is in effect.

Puerto Rico will hold its Democratic presidential primary on Sunday and 55 delegates are up for grabs

Six years after a storm left most of the island without power, and ruined the land, some Boricuas have taken recovery efforts into their own hands with special projects.

Tropical Storm Bret, which is churning in the Atlantic, is forecast to strengthen and move into the Caribbean by early Friday.

The manufacturing industry in Puerto Rico is putting the island's finite water supply at risk, experts told ABC News.

Puerto Ricans are worried about the safety of their drinking water.

Hidden in plain sight in Puerto Rico are signs of a booming industry that has overtaken much of the island for decades.

The U.S. Coast Guard called off its search for a man who fell off a 70-foot cliff in Puerto Rico after a dive team recovered his body on Monday, according officials.

U.S. customs officers seized 877 pounds of cocaine concealed on board a Carribean ferry boat

Federal marine agents with U.S. Customs and Border Protection were shot after they approached a suspected smuggling boat.

Hurricane Fiona has caused immense damage to Puerto Rico and the Dominican Republic. These are groups offering help.

Days after Hurricane Fiona, electricity had not been restored for most customers in Puerto Rico.

Hurricane Fiona strengthened to a Category 4 storm on Wednesday, after killing at least four people in Puerto Rico and leaving the entire island without power.

Over 30 people were rescued.

A fire at a major power plant on Puerto Rico left 1.5 million without electricity.

Gov. Pedro Pierluisi has promised a pay raise for teachers.

A program is in place to restructure a huge chunk of its debt.

Puerto Rico is the most vaccinated place in America. Their strategy consisted of mass messaging, vaccination site accessibility and combatting misinformation.

Puerto Rico’s electric system is worst in the US, experts say. How did it turn so chaotic?

Roughly 1.5 million Puerto Ricans rely on Medicaid for health care.

Amid power failures and hurricane season, Puerto Ricans are concerned about the stability of the electric grid run by LUMA Energy.

The energy company that powers Puerto Rico's grid said it expects all customers to have their power restored by Friday evening.

As gender-based killings continue to grab headlines in Puerto Rico, victims' families are concerned about the government's commitment to handling the ongoing crisis.

Organizations in Puerto Rico have been demanding the government take action to end gender violence.

Puerto Rico's future has been a question in the U.S. territory for many years. Here's what to know.

Transportation issues cause outrage in Puerto Rico in wake of Hurricane Maria, and amid COVID-19.

Puerto Rico Gov. Pedro Pierluisi issued an executive order Sunday declaring a state of emergency to allocate resources to deal with gender violence in the island.

Many scientists, students and Puerto Ricans are mourning the collapse of the iconic radio telescope in Arecibo.

The National Science Foundation announced Thursday it will begin plans to decommission the famous 305-meter telescope at the Arecibo Observatory in Puerto Rico.

The vote was nonbinding and some doubt it will have any affect on Congress.

FEMA lost track of more than a quarter-billion dollars in supplies intended for Puerto Rico during its response to 2017 hurricanes Irma and Maria, according to a report.

The island is still recovering from Hurricane Maria, which hit exactly three years ago.

Thousands of residents on the island are going without water amid the drought, and some say this makes it hard to follow safety guidelines in wake of the pandemic.

Puerto Rico Gov. Wanda Vazquez is responding to allegations that she fired a government minister after the official had called for a probe into Vazquez' administration.

COVID-19 has made food insecurity worse in Puerto Rico; a local food bank doubles the amount of food given out.

Coronavirus hits Puerto Rico, still in turmoil from Hurricane Maria, an unprecedented financial crisis, earthquakes and government scandals.