04/28/2015 04:00 EDT | Updated 06/28/2015 01:12 EDT

Alberta's 4 leaders glad-hand, make announcements in Calgary, Sundre, Lethbridge

EDMONTON - The leaders of Alberta's main political parties are on the hustings in Calgary and southern Alberta today.Liberal Leader David Swann is making an announcement about improving the lives of seniors in Lethbridge, then heads to Calgary for door knocking.Conservative Leader Jim Prentice visits a Calgary fabrication shop before attending a barbecue.Wildrose Leader Brian Jean holds a news conference in Calgary this afternoon, then hits the road to Sundre for a meet and greet at the community hall.NDP Leader Rachel Notley attends a day of mourning for Albertans killed or injured on the job and also makes an announcement, both in Calgary.Prentice attacked Notley on Monday for her promise to take a hands-off approach on two pipeline projects to get Alberta oil to the coast.Prentice said the Conservatives will fight for every single pipeline project to get Alberta's oil out of the province to market.Swann joined with other opposition parties in promising to reduce mandatory school fees.Swann said Monday the Liberals would put up $50 million to start phasing out the fees that he estimates cost parents $300 to $1,000 a year.The province estimates the total cost of the fees at $92 million a year.The Wildrose has also promised to get rid of the fees, while the NDP has said it would get rid of fees for essentials such as busing and lunchroom supervision.Swann says a Liberal government would also build schools as community hubs, and hire 1,500 more teachers and support staff to reduce class sizes.Voters go to the polls May 5.