Short answers, pulled from the story.
Shamil Basayev led more than 100 Chechen separatist fighters known as smertniki through this deception. His group of 119 armed men held over 2,000 hostages inside the fortified hospital complex by midday on the 14th of June.
The attack began at about noon on the 14th of June when fighters emerged from their vehicles and opened fire. The siege concluded on the 19th of June when all remaining hostages were released after Basayev's group boarded six buses traveling through North Ossetia and Dagestan.
Official figures state at least 129 people died and 415 were injured from the attack including 18 who later succumbed to wounds. Independent estimates suggest up to 166 hostages died and 541 were injured during the special forces assault.
Direct negotiations between Shamil Basayev and Prime Minister Viktor Chernomyrdin began on the 18th of June leading to a compromise. Chernomyrdin agreed to halt military actions in Chechnya and sign a formal statement ending the First Chechen War temporarily.
A State Duma vote of no confidence passed 241 to 72 which ultimately led to the departures of FSB director Sergei Stepashin and interior minister Viktor Yerin on the 30th of June 1995.