Tragedy struck in Boston today, as two bombs exploded near the finish line of the Boston Marathon, killing at least two people and injuring 22 others. You can find more information as it comes in here.

Reports began coming in about Penn Staters running in the race, including members of the Club Cross Country team and the Nittany Valley Running Club. The Daily Collegian reported that four current Penn State students ran in the Boston Marathon today.

Club Cross Country provided an update on Twitter:

Great news. #Pray4Boston MT @psuclubxc So far almost all of our runners (both current and alumni) have been accounted for and are safe. — Onward State (@OnwardState) April 15, 2013

Sixteen members of the Nittany Valley Running club were registered, but all had already finished the race except one, who never started.

Ryan Hogan, the President of the Penn State Club Cross Country team, is in Boston. He sent the following Tweet.

I am with Katie and her father. We are ok. Pray for the victims and this city. Cell service is bad so forgive any late texts/dropped calls. — Ryan Hogan (@ryanhogan7) April 15, 2013

Thirteen runners are registered from State College, Pa.

Costas Maranas is a Chemical Engineering professor at Penn State, but apparently did not end up running. Jerry Harington, a Meteorology professor, finished before the explosions and is safe.

We will provide more updates as they come in tonight about Penn Staters in Boston. The citizens of Boston and anyone involved in the marathon are in our thoughts today.

(UPDATE 4:40 p.m.) All Penn State Cross Country runners are safe.

Update #1: ALL of our runners have been contacted and are safely away from the area. #prayersforBoston — Penn State Club XC (@PSUClubXC) April 15, 2013

(UPDATE 4:51 p.m.) All Nittany Valley Running Club members are accounted for.

UPDATE from Nittany Valley Running Club member Mike Casper: As of now, all 15 runners have been accounted for. — The Daily Collegian (@DailyCollegian) April 15, 2013

(UPDATE 4:58 p.m.) George Lesieutre, Department Head of Aerospace Engineering, ran in the marathon and is safe, per a family friend.

(UPDATE 5:30 p.m.) In all, five Penn State students ran in the Boston Marathon. All are reportedly safe.

Two #PennState graduate students and three undergraduate students are confirmed safe at this time. — The Daily Collegian (@DailyCollegian) April 15, 2013

(UPDATE 9:19 p.m.) It appears all known Penn Staters are accounted for and safe. The Greater Boston chapter of the Penn State Alumni Association offered the following comment to assist anyone in the area:

On behalf of the Penn State Alumni Association Greater Boston Chapter, I am reaching out to share our chapter’s availability as a resource after today’s tragic events in Boston. We hope all of our alumni and their loved ones are safe and, if any students, alumni or other members of the Penn State community who were involved need any assistance or lodging, please don’t hesitate to reach out.