In high drama, Jawaharlal Nehru University (JNU) administration on Monday alleged that a group of students waylaid an ambulance and prevented doctors from taking the Dean of Students to hospital after he fell ill on campus during a protest by students against a meeting, called to discuss among other things, a proposed hostel fee hike.Students, however, have denied the allegation and said the administration did not invite students' representatives to the meeting, as against a High Court order which ruled that they should be involved in every matter related to students' welfare.Dean of Students, Professor Umesh Kadam fell sick in the "raucous atmosphere" with "alarmingly high blood pressure" after protestors entered the venue of the Inter Hostel Administration (IRA) meeting being held in the Convention Centre of JNU, university administration said."Some students who are not members of IRA committee disrupted the meeting by forcibly entering the venue. The committee members requested the