Here's your daily look at five stories to know about:
1. House explosion: Investigators are continuing to probe an apparent gas explosion that resulted in a rowhouse and its two adjoining homes collapsing in South Philadelphia on Monday. Extensive renovations were being done at the site, and the incident has left neighbors uneasy.
2. Fraud hearing for "Real Housewives" stars: Two cast members of the popular reality television series "Real Housewives of New Jersey" have been indicted on federal fraud and tax charges, and will make their initial court appearances today. Prosecutors say 41-year-old Teresa Giudice and her husband, 43-year-old Giuseppe "Joe" Giudice, conspired to defraud lenders, illegally obtain mortgages and hide assets and income in a bankruptcy case.
3. Prelim continues for PSU officials: Today will be the second day of testimony in the preliminary hearing for three former Penn State administrators accused of covering up sexual abuse allegations surrounding former football coach Jerry Sandsusky. A judge must decide whether there is enough evidence to send the case against former university president Graham Spanier, retired vice president Gary Schultz and ex-athletic director Tim Curleey to trial. Former assistant football coach Mike McQueary testified Monday about his conversations with then-football head coach Joe Paterno regarding Sandusky. Two witnesses are slated to testify today.