Investigators are working to find out what caused an explosion at a Pennsylvania steel plant which left two people dead and others hospitalized. kare11.com Welcome to the KARE 11 News YouTube channel. Subscribe to our channel for compelling and dramatic storytelling, award-winning investigations, breaking news and information you can use. Text your photos, videos and news tips to 763-797-7215. " Subscribe to KARE 11 on YouTube: https://www.youtube.com/user/KARE11?sub_confirmation=1 " Watch more KARE 11 video: https://www.youtube.com/@kare11/videos " Visit KARE11.com: http://www.kare11.com/ " Stream KARE 11+ on your TV: https://www.kare11.com/plus " Download our mobile app: https://www.kare11.com/app " Find KARE 11 on Facebook: https://www.facebook.com/KARE11/ " Follow KARE 11 on X: https://x.com/kare11 " Follow KARE 11 on Instagram: https://www.instagram.com/kare11/ " Follow KARE 11 on TikTok: https://www.tiktok.com/@kare11news