Complex sentence: Some news sources report that there has been an escalation of such attacks in late 2013, and in some cases the attacker has been charged with a hate crime, while some politicians have been seeking legislation targeted specifically against it.
Split into simpler sentences: Some news sources report that there was an escalation of such attacks in late 2013, and in some cases the attacker was charged with a hate crime. Some politicians have been seeking legislation targeted specifically against it.