PRAGUE, November 5. /TASS/. No explosive devices have been found on board the four aircraft that were grounded in Prague on Thursday due to bomb threats, CTK news agency quoted Josef Urban, a representative of the Czech police, as saying.

"Anonymous threats were received relating to four aircraft heading to Prague, claiming that bombs had been planted on board. The police, together with staff from [Vaclav Havel Prague International] Airport, took prompt security measures," Urban said.

"After the planes landed, they were inspected along with the airport premises and the surrounding area for any planted explosive devices, which were not found."

According to CTK, experts assessed the level of the anonymous threats as low. Prague Airport was not suspended.