West Bengal Chief Minister Mamata Banerjee today expressed her concern over the health condition of DMK chief M Karunanidhi, who is being treated for fever due to an urinary tract infection. Banerjee prayed for a quick recovery of the 94-year-old veteran politician of Tamil Nadu. "Concerned about the health of @kalaignar89 Hope and pray that Karunanidhi Ji recovers soon @mkstalin," Banerjee wrote on her Twitter handle.