(AGI) Moscow, March 8 - Two Chechens, Anzor Gubashev and ZaurDadayev, have been charged with the murder of Russianopposition leader Boris Nemtsov, reported the Basmanny Court'sspokesperson Anna Fadeyeva. The case is being investigated byJudge Natalia Mushnikova. Five men have been arrested onsuspicion of being involved in the murder. The specific chargespressed against the defendants have not been disclosed becausethey will be decided by a different judge, Ms Fadeyevaexplained. The other three suspects are Gubashev's brother,Shagid, and another two, whom authorities have only identifiedby their surname, Bakhayev and Eskerkhanov. In the meantimeanother suspect, who was surrounded by the police in in his Grozny apartment on Saturday night, blew himself up with a handgrenade before being caught, reported investigative sources. When the police urged him to surrender, the suspect first threwa hand grenade on the police officers, without injuring any ofthem, and then exploded another one to kill himself. Manyquestions remain unanswered in relation to Zaur Dadayev, one ofthe Chechens arrested for Nemtsov's murder. In a tweet IlyaYashin, another Russian opposition leader, indicated thewebsite of the Chechen government, which said that Zaur Dadayevwas awarded a medal for bravery by Vladimir Putin in October2010. The news has not been confirmed by the Chechen governmentyet, which raises the doubt if it was he or a namesake who wascharged with Nemtsov's murder. Russian media, quoting a sourcein the security forces of Ingushetia, reported that Dadayevserved in the Chechen police, confirming the version providedby the man's mother. Albert Barakhayev, the secretary of theSecurity Council of the neighbouring Republic in the NorthCaucasus region, said that the 33-year-old Chechen arrestedtogether with his 32-year-old cousin, Anzor Gubashev, servedfor 10 years in the Interior Ministry's "Sever" (north)battalion in Chechnya. It is not clear if Dadayev had beendismissed from service or not. . .