health advisory tonight for pregnant women, after they say 22 pregnant women died of covid last month. and covid vaccine mandates now kicking in. workers now losing jobs. united airlines firing more than 500 employees kwr not getting vaccinated, saying it s for the safety of their passengers and the company moving forward. the explosion and partial building collapse in dallas. several firefighters injured. three in critical condition. and neighbors now say they smelled gas last night. america s top generaling grilled in the house and what the chairman of the joint chiefs general mark milley warned today about the terror threat inside afghanistan, saying a possible resurgence of al qaeda or isis could happen as early as six months from now. martha raddatz standing by. overseas tonight and new images of that lava floe on the canary islands now reaching the ocean. and now the new concern, the mix of super-heated lava and ocean water. authorities tonight releasing disturb