Austria on Thursday announced its decision to expel four Russian diplomats for activities incompatible with their diplomatic status.The diplomats to be expelled include three staff members of the Russian Embassy in Vienna and one staff member of the Russian Consulate General in Salzburg, said the Austrian foreign ministry on Twitter.The Russian diplomats are declared as personae non gratae and requested to leave Austria before April 12, said the ministry.Austria on Thursday announced its decision to expel four Russian diplomats for activities incompatible with their diplomatic status.The diplomats to be expelled include three staff members of the Russian Embassy in Vienna and one staff member of the Russian Consulate General in Salzburg, said the Austrian foreign ministry on Twitter.The Russian diplomats are declared as personae non gratae and requested to leave Austria before April 12, said the ministry.