Lufthansa Cargo says it will operate 40 percent of its Saturday flights despite it being the fourth consecutive day of a strike.
Mayor Tom Menino ripped striking school bus drivers Tuesday, hours after they walked off the job unexpectedly, throwing the system and parents into chaos.
School officials said drivers agreed to stay on the job, even though they do not have a contract agreement with the city yet.
Dozens of fast-food workers have walked out of their jobs in Massachusetts to participate in a nationwide demand for higher wages.
Nurses at UMass Memorial Medical Center in Worcester have authorized union leaders to schedule a one-day strike.
A deal has been struck that for now averts a strike by 14,500 longshoremen at major ports on the East Coast and Gulf of Mexico.
Thousands of janitors gathered for a solidarity rally in East Boston on Sunday evening.
In Boston, some striking Verizon workers attempted to take their message to the top.
As thousands of Verizon landline workers took to the picket lines, the company was also dealing with at least 12 acts of sabotage.
Thousands of striking Verizon workers hit the picket lines across the Northeast Monday, including the financial district in Boston.