A number of Labour MP's in north-east England call for the prime minister to step down.
Kate Osborne says she followed Parliament's advice for taking taxis due to her disability.
One parent said she was concerned about pupils being made to do home learning during the closures.
Between 50 and 100 staff work at the company's distribution centre in Jarrow, South Tyneside.
Bishop Auckland's Dehenna Davison received the most offensive tweets among the North East's MPs.
The project wants people to walk the original Jarrow March distance of 282 miles to raise funds.
But the government insists its plans will protect LGBT people and freedom of choice.