Hungary declared a state of emergency in three western counties on Tuesday due to spill of toxic alumina sludge which has killed three people and injured more than 100 others, the news agency MTI reported.

The counties of Veszprem, Gyor-Moson-Sopron and Vas counties were covered by the state of emergency.

The disaster began on Monday when the dam of a sludge reservoir burst at the huge Ajkai Timfoldgyar Zrt plant, owned by MAL Zrt., flooding parts of three villages.