From 1h agoPSNI appeals for calm, amid fears protests planned in response to knife attack could lead to disorderHenderson also appealed for calm at the press conference. He said:

double quotation markWe’re also aware of calls this evening for protest activity across Northern Ireland, and continue to monitor that situation accordingly.

I understand that last night’s attempted murder will leave people feeling a range of emotions from fear to anger.

Our officers have a role to facilitate and accommodate peaceful protest.

But Henderson also said the police did not want to see a repeat of the sort of disorder seen on previous occasions.