DURBAN – Emergency services in eThekwini are on high alert as severe weather conditions persist in KwaZulu-Natal. A Yellow Level 4 warning has been issued for severe thunderstorms over most of the province.Several injuries have been reported in Cato Crest and Clairwood where buildings and informal structures were destroyed.READ: Weather warning | Scores of Gqeberha residents evacuatedThe weather service is warning of more disruptions.Elsewhere, a storm battered the Free State.Hail hit Virginia, Welkom and Odendaalsrus.It’s the same for parts of Mpumalanga, in Secunda and Middelburg.