RUSHES: Aviation: London Fire Brigade press conference on Heathrow substation fire

Aviation: London Fire Brigade press conference on Heathrow substation fire; Hayes, Nestles Avenue: North Hyde Electricty Substation: EXT Jonathan Smith (Deputy Commissioner, London Fire Brigade) press conference QUESTIONS from media SOT - SKY NEWS Q: on monitoring air quality in area - ANON Q re Times newspaper reporting anti-terrorism police looking at incident - Ayshah Tull C4 News Q: on time taken to evacuate people from their homes close to scene of fire - Ayshah Tull C4 News Q: on accrid smell in air and question on air quality - ANON Q on pervious fires at same substation - ANON Q of 10 percent of fire still buring at site other portion covered by foam layer to smother fire and cool hotspot - ANON Q on hazadous materials on site / scientific advisors monitoring air quality - ANON Q on no injuries to LFB or public from fire at substation or scene