WHDH off-air coverage shows today's explosion at the Boston Marathon.
A young mother pushing her baby in a stroller was stabbed repeatedly in broad daylight Monday in the Boston neighborhood of Dorchester.
Cop leaps from roof to roof to catch up with assault suspects.
Crews use massive machines to clear snow-clogged streets and railways.
Boston declared a public health emergency Wednesday as flu season struck in earnest and the state reported 18 flu-related deaths so far.
A liquor store clerk fights back against a would-be robber with the help of one of the store's items.
In Boston at least six people are taken to the hospital after two trolley trains bumped into each other.