German interior minister says answers needed to many 'unresolved questions' regarding events before, during and after Palestinian terror attack on Israeli team

Israeli, German presidents lead event marking 50 years since 11 Israelis killed in Olympic attack; Herzog: 'This was not a Jewish and Israeli tragedy, it was a global tragedy'

Members of the 1972 US basketball team tell the unfolding of the tragedy that saw 11 Israeli coaches and athletes killed and a botched hostage rescue attempt

At state dinner with Herzog, Frank-Walter Steinmeier bemoans 50 years it took for Berlin to agree to compensate families of victims in attack at '72 Games

Ahead of 50th anniversary memorial for Munich massacre, Steinmeier denounces 'shameful' delay in compensation deal for relatives of Israeli athletes murdered in Olympic attack

President will also meet German leaders to discuss impending Iran deal; says, 'Every visit to Germany carries with it tremendous personal weight'

Housing complex for athletes was transformed into residential district shortly after 1972 games; Israeli delegation's apartments acquired by research institute

Klaus Langhoff laments authorities' response to terrorism at 1972 games, saying it was 'doubly difficult' for his team to focus on sporting objectives after attack

Berlin raises offer to 28 million euros; agreement 'cannot heal all wounds. But it opens a door to each other,' President Herzog and German counterpart say in joint statement

Agreement could pave the way for family members to participate in upcoming 50th anniversary memorial ceremony after earlier vows to boycott over payment dispute