Teachers across Europe continue widespread strikes over funding, pay and conditions, joined by mass walkouts by French high school students; Greek healthcare workers on 24-hour national strike over funding and staff shortages fear collapse of healthcare system under impact of winter flu and COVID; rail strikes over pay, pensions and job losses continue in the UK, with further strikes planned by postal and telecom workers; Iranian Haft Tappeh sugar factory workers join protests entering fifth week over death of Mahsa Amini; South Africa’s Transnet workers’ unions agree below-inflation deal to end two-week strike as public sector plan national pay stoppage