Executive District Officer Education Pervez Akhter said on Sunday that about 400 schools in Lahore will not be allowed to reopen from today because they failed to fumigate their campuses. After the closure of educational institutes for ten days due to the dengue virus spread, schools are scheduled to reopen from Monday. Hhowever Punjab Government said only schools whom completed the anti-fumigation excerise and had taken precautionary measures will be allowed to re-open.