UPDATE: BU Today reports the bicylist was Christopher Weigl, 23, of Southborough, who was pursuing a master's degree in photojournalism at BU. His Web site.

A bicyclist did not survive a collision this morning with a semi at Comm. Ave. inbound at St. Paul St..

At 8:51, Sasha tweeted from a passing trolley:

Body covered by a tarp. RIP. what a bad start to the morn.

Daniel Robert tweets the truck appeared to be making a wide right turn onto St. Paul from the left lane at the time of the collision.

Around the same time, a bicyclist was involved in a collision at North Harvard and Cambridge Street in Allson, but he suffered non-life-threatening injuries.

By coincidence, a City Council committee holds a hearing on making Boston safer for bicyclists today at noon at City Hall.

On Nov. 12, another BU student on a bicycle died in a collision with a 57 bus on Brighton Avenue at Harvard Avenue.