Doctor at MGH said a number of patients have been able to talk. Hospital has treated 29; he operated on 6 so far today.
MGH doctor says 8 patients there are in critical condition. He has not treated any runners.
Dr. Peter Fagenholz, a trauma surgeon at MGH, says he found small metal debris in the patients -- don't know whether small bits of metal placed there intentionally or just part of the blast. Combined bony, vascular, and soft tissue injuries. We have at least one shattered eardrum. One of things on the to-do list is to go back around and repeat examination of all the patients.
Dr. Peter Fagenholz, a trauma surgeon at MGH: Pediatric patients are any under age 18; the oldest patient he treated was 71. "We take care of accidents all the time; it's depressing that this was intentional."
Berklee College of Music announced on Twitter at 9:50 p.m. that the college would be closed on Tuesday.
Emerson College will follow lockdown procedure until 7 a.m. on Tuesday, according to the college's website. Other downtown campuses, such as Suffolk University, Simmons College and the Boston Conservatory, urged students to remain indoors on their websites.
MGH doctor: Traumatic amputation is a gruesome injury. The 8 patients in critical condition have combined, complex, lower-body injuries. One of his colleagues who was deployed to Afghanistan had seen this types of injuries there.
MGH doctor: People are very brave. Most patients attitude is 'do what you have to do.'
MGH doctor: He was asked by the hospital to tell people who want to donate blood that they have enough right now, but will need some over the coming days and weeks.
Dr. Peter Fagenholz, a trauma surgeon at MGH, said he doesn't know if all patients have been identified or reunited with their families.
Students at the Rivers School in Weston plan to wear an article of red clothing Tuesday, as the area begins to respond to the explosion at the Boston Marathon.
In a message to the Rivers community, Sam Berger and Ope Olukorede, the co-presidents of the student body, said "As we keep all those affected by this terrible event in our thoughts and prayers, it would be great if we could show our immediate support.''
Erica Chalmers, a junior, said she heard about the idea via social media Monday evening. "I knew at that point that the world was watching how we were going to react,'' Chalmers said. "As students we are responding by saying we are together and we are standing strong.''