  Several deviations from the Standard Model predictions have been recently
observed in the decays mediated by $b \rightarrow s l^+ l^-$ transitions. These
could be pointing towards new vector-current contributions or could be
explained by underestimated charm-loop effects. New results from an LHCb Run 1
$B^+\rightarrow K^+ \mu^+ \mu^- $ analysis that includes the decays via
intermediate charm- resonances are discussed. Also, new results from the fully
leptonic rare modes searches are presented. This includes the latest Run 1 and
Run 2 $B^0_{(s)} \rightarrow \mu^+ \mu^-$ analysis from LHCb where the $B^0_{s}
\rightarrow \mu^+ \mu^-$ candidates are used to determine the effective
lifetime of the $B^0_{s} \rightarrow \mu^+ \mu^-$ decays - a pioneering result
that in the future will solve the current ambiguity in the (pseudo-)scalar
contributions.
