PSNI Chief Constable Matt Baggott said that some of the violence was intense and there was t.
It was fortunate someone was not seriously injured, he claimed, adding that the situation in some areas was very tense.
There has to be a collective voice to bring this to an end.
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Students will be able to secure a degree within two years instead of three but the cost could be as much as £13,500 a year.
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The number of dead includes 35 civilians, according to reports.