Former NFL player Junior Seau has died in a shooting at his home, according to reports by TMZ, 10News, the San Diego Union-Tribune and various media outlets.

Harvey Levin of TMZ initially tweeted that police were are at the home of the 12-time Pro Bowl player, who starred with the San Diego Chargers, Miami Dolphins and New England Patriots during 20 seasons in the NFL.

According to 10News.com, a witness reported hearing a gunshot at Seau's home in the Oceanside, California on Wednesday morning. That report could not immediately be confirmed by the news outlet, who described the situation at Seau's home as including a "large presence" of police.

Shortly after Levin's tweet, TMZ Sports cited a law enforcement source saying that Seau had died. TMZ was initially unable to confirm this report but they soon obtained a confirmation.

Law enforcement sources confirmed to TMZ that Seau was found dead in his home and that they are "investigating a possible shooting."

The San Diego Union-Tribune reported that a 911 call was made at approximately 10 a.m. local time that indicated a "possible suicide."

UPDATE 2:26 p.m. EST: TMZ reports that police on the scene believe that Seau shot himself.

UPDATE: 2:32 p.m. EST: 10News is reporting that a witness on the scene overheard police saying that Seau has committed suicide.

UPDATE: 2:39 p.m. EST: The Union-Tribune also reports Seau has died in a shooting, an apparent suicide.

UPDATE: 2:48 p.m. EST: NBCSanDiego reports that a police source has confirmed that Seau's death was a suicide.

UPDATE: 2:56 p.m. EST: Per USA Today, the mayor of Oceanside issued a statement.

"He was a local hero -- he certainly gave back to the community and to the youth through his Junior Seau Foundation," said Oceanside Mayor Jim Wood. "Our thoughts and prayers go out to his family and friends."

According to a tweet from 10News, pastor and author Miles McPherson is en route to be with Seau's family.

RT @10NewsHunt: Pastor @MilesMcpherson just told me he is on his way to be with #JuniorSeau's family. Praying for everyone who loved him. — 10News (@10News) May 2, 2012

UPDATE 3:10 p.m. EST: The San Diego Chargers have released a statement on the passing of Seau.

"Everyone at the Chargers is in complete shock and disbelief right now. We ask everyone to stop what they're doing and send their prayers to Junior and his family."

STAY TUNED FOR ADDITIONAL UPDATES AND REACTIONS:

