1.   But some Canadian officials worry that the ferry blockade will make matters worse.

2.   Meanwhile, the U.N. commander in Tuzla, Gen. Gunnar Ridderstad, said the blockade was making life harder on his troops.

3.   The blockades also are making it difficult for stores to receive supplies, driving prices up, protesters said.

4.   The U.N. commander in Tuzla, Gen. Gunnar Ridderstad, said the blockade was making life harder on his troops.

5.   He says the blockade has made life more difficult, especially for large state companies hampered by a freeze on banking operations with Serbia.