Bruno Mars concert in Israel was cancelled amid deadly conflict
A concert was scheduled for Saturday night in Tel Aviv
The cancellation comes after Hamas militants launched rocket attacks on Israel
The death toll in conflict has risen to over 100 people
Mars' concert promoter said the safety of fans and crew is a top priority
The promoter said ticket holders will receive full refunds
Mars is one of many artists who have cancelled concerts in Israel in recent years
Cancellations have been due to political and humanitarian concerns
The conflict between Israel and the Palestinians has been ongoing for decades
There is no end in sight to the conflict
The cancellation of Mars' concert is a reminder of the human cost of the conflict